21834540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 288

約数和(自身を含む): 86102016

約数和(自身を除く): 64267476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 31, 35, 36, 39, 42, 43, 45, 52, 60, 62, 63, 65, 70, 78, 84, 86, 90, 91, 93, 105, 117, 124, 126, 129, 130, 140, 155, 156, 172, 180, 182, 186, 195, 210, 215, 217, 234, 252, 258, 260, 273, 279, 301, 310, 315, 364, 372, 387, 390, 403, 420, 430, 434, 455, 465, 468, 516, 546, 558, 559, 585, 602, 620, 630, 645, 651, 774, 780, 806, 819, 860, 868, 903, 910, 930, 1085, 1092, 1116, 1118, 1170, 1204, 1209, 1260, 1290, 1302, 1333, 1365, 1395, 1505, 1548, 1612, 1638, 1677, 1806, 1820, 1860, 1935, 1953, 2015, 2170, 2236, 2340, 2418, 2580, 2604, 2666, 2709, 2730, 2790, 2795, 2821, 3010, 3255, 3276, 3354, 3612, 3627, 3870, 3906, 3913, 3999, 4030, 4095, 4340, 4515, 4836, 5031, 5332, 5418, 5460, 5580, 5590, 5642, 6020, 6045, 6510, 6665, 6708, 7254, 7740, 7812, 7826, 7998, 8060, 8190, 8385, 8463, 9030, 9331, 9765, 10062, 10836, 11180, 11284, 11739, 11997, 12090, 13020, 13330, 13545, 14105, 14508, 15652, 15996, 16380, 16770, 16926, 17329, 18060, 18135, 18662, 19530, 19565, 19995, 20124, 23478, 23994, 24180, 25155, 25389, 26660, 27090, 27993, 28210, 33540, 33852, 34658, 35217, 36270, 37324, 39060, 39130, 39990, 42315, 46655, 46956, 47988, 50310, 50778, 51987, 54180, 55986, 56420, 58695, 59985, 69316, 70434, 72540, 78260, 79980, 83979, 84630, 86645, 93310, 100620, 101556, 103974, 111972, 117390, 119970, 121303, 126945, 139965, 140868, 155961, 167958, 169260, 173290, 176085, 186620, 207948, 234780, 239940, 242606, 253890, 259935, 279930, 311922, 335916, 346580, 352170, 363909, 419895, 485212, 507780, 519870, 559860, 606515, 623844, 704340, 727818, 779805, 839790, 1039740, 1091727, 1213030, 1455636, 1559610, 1679580, 1819545, 2183454, 2426060, 3119220, 3639090, 4366908, 5458635, 7278180, 10917270, 21834540]

約数ペア:

[(1, 21834540), (2, 10917270), (3, 7278180), (4, 5458635), (5, 4366908), (6, 3639090), (7, 3119220), (9, 2426060), (10, 2183454), (12, 1819545), (13, 1679580), (14, 1559610), (15, 1455636), (18, 1213030), (20, 1091727), (21, 1039740), (26, 839790), (28, 779805), (30, 727818), (31, 704340), (35, 623844), (36, 606515), (39, 559860), (42, 519870), (43, 507780), (45, 485212), (52, 419895), (60, 363909), (62, 352170), (63, 346580), (65, 335916), (70, 311922), (78, 279930), (84, 259935), (86, 253890), (90, 242606), (91, 239940), (93, 234780), (105, 207948), (117, 186620), (124, 176085), (126, 173290), (129, 169260), (130, 167958), (140, 155961), (155, 140868), (156, 139965), (172, 126945), (180, 121303), (182, 119970), (186, 117390), (195, 111972), (210, 103974), (215, 101556), (217, 100620), (234, 93310), (252, 86645), (258, 84630), (260, 83979), (273, 79980), (279, 78260), (301, 72540), (310, 70434), (315, 69316), (364, 59985), (372, 58695), (387, 56420), (390, 55986), (403, 54180), (420, 51987), (430, 50778), (434, 50310), (455, 47988), (465, 46956), (468, 46655), (516, 42315), (546, 39990), (558, 39130), (559, 39060), (585, 37324), (602, 36270), (620, 35217), (630, 34658), (645, 33852), (651, 33540), (774, 28210), (780, 27993), (806, 27090), (819, 26660), (860, 25389), (868, 25155), (903, 24180), (910, 23994), (930, 23478), (1085, 20124), (1092, 19995), (1116, 19565), (1118, 19530), (1170, 18662), (1204, 18135), (1209, 18060), (1260, 17329), (1290, 16926), (1302, 16770), (1333, 16380), (1365, 15996), (1395, 15652), (1505, 14508), (1548, 14105), (1612, 13545), (1638, 13330), (1677, 13020), (1806, 12090), (1820, 11997), (1860, 11739), (1935, 11284), (1953, 11180), (2015, 10836), (2170, 10062), (2236, 9765), (2340, 9331), (2418, 9030), (2580, 8463), (2604, 8385), (2666, 8190), (2709, 8060), (2730, 7998), (2790, 7826), (2795, 7812), (2821, 7740), (3010, 7254), (3255, 6708), (3276, 6665), (3354, 6510), (3612, 6045), (3627, 6020), (3870, 5642), (3906, 5590), (3913, 5580), (3999, 5460), (4030, 5418), (4095, 5332), (4340, 5031), (4515, 4836)]