21725340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 78575616

約数和(自身を除く): 56850276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 23, 26, 28, 30, 35, 39, 42, 46, 52, 60, 65, 69, 70, 78, 84, 91, 92, 105, 115, 130, 138, 140, 156, 161, 173, 182, 195, 210, 230, 260, 273, 276, 299, 322, 345, 346, 364, 390, 420, 455, 460, 483, 519, 546, 598, 644, 690, 692, 780, 805, 865, 897, 910, 966, 1038, 1092, 1196, 1211, 1365, 1380, 1495, 1610, 1730, 1794, 1820, 1932, 2076, 2093, 2249, 2415, 2422, 2595, 2730, 2990, 3220, 3460, 3588, 3633, 3979, 4186, 4485, 4498, 4830, 4844, 5190, 5460, 5980, 6055, 6279, 6747, 7266, 7958, 8372, 8970, 8996, 9660, 10380, 10465, 11245, 11937, 12110, 12558, 13494, 14532, 15743, 15916, 17940, 18165, 19895, 20930, 22490, 23874, 24220, 25116, 26988, 27853, 31395, 31486, 33735, 36330, 39790, 41860, 44980, 47229, 47748, 51727, 55706, 59685, 62790, 62972, 67470, 72660, 78715, 79580, 83559, 94458, 103454, 111412, 119370, 125580, 134940, 139265, 155181, 157430, 167118, 188916, 206908, 236145, 238740, 258635, 278530, 310362, 314860, 334236, 362089, 417795, 472290, 517270, 557060, 620724, 724178, 775905, 835590, 944580, 1034540, 1086267, 1448356, 1551810, 1671180, 1810445, 2172534, 3103620, 3620890, 4345068, 5431335, 7241780, 10862670, 21725340]

約数ペア:

[(1, 21725340), (2, 10862670), (3, 7241780), (4, 5431335), (5, 4345068), (6, 3620890), (7, 3103620), (10, 2172534), (12, 1810445), (13, 1671180), (14, 1551810), (15, 1448356), (20, 1086267), (21, 1034540), (23, 944580), (26, 835590), (28, 775905), (30, 724178), (35, 620724), (39, 557060), (42, 517270), (46, 472290), (52, 417795), (60, 362089), (65, 334236), (69, 314860), (70, 310362), (78, 278530), (84, 258635), (91, 238740), (92, 236145), (105, 206908), (115, 188916), (130, 167118), (138, 157430), (140, 155181), (156, 139265), (161, 134940), (173, 125580), (182, 119370), (195, 111412), (210, 103454), (230, 94458), (260, 83559), (273, 79580), (276, 78715), (299, 72660), (322, 67470), (345, 62972), (346, 62790), (364, 59685), (390, 55706), (420, 51727), (455, 47748), (460, 47229), (483, 44980), (519, 41860), (546, 39790), (598, 36330), (644, 33735), (690, 31486), (692, 31395), (780, 27853), (805, 26988), (865, 25116), (897, 24220), (910, 23874), (966, 22490), (1038, 20930), (1092, 19895), (1196, 18165), (1211, 17940), (1365, 15916), (1380, 15743), (1495, 14532), (1610, 13494), (1730, 12558), (1794, 12110), (1820, 11937), (1932, 11245), (2076, 10465), (2093, 10380), (2249, 9660), (2415, 8996), (2422, 8970), (2595, 8372), (2730, 7958), (2990, 7266), (3220, 6747), (3460, 6279), (3588, 6055), (3633, 5980), (3979, 5460), (4186, 5190), (4485, 4844), (4498, 4830)]