21919170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 69866496

約数和(自身を除く): 47947326

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 31, 35, 37, 39, 42, 49, 62, 65, 70, 74, 78, 91, 93, 98, 105, 111, 130, 147, 155, 182, 185, 186, 195, 210, 217, 222, 245, 259, 273, 294, 310, 370, 390, 403, 434, 455, 465, 481, 490, 518, 546, 555, 637, 651, 735, 777, 806, 910, 930, 962, 1085, 1110, 1147, 1209, 1274, 1295, 1302, 1365, 1443, 1470, 1519, 1554, 1813, 1911, 2015, 2170, 2294, 2405, 2418, 2590, 2730, 2821, 2886, 3038, 3185, 3255, 3367, 3441, 3626, 3822, 3885, 4030, 4557, 4810, 5439, 5642, 5735, 6045, 6370, 6510, 6734, 6882, 7215, 7595, 7770, 8029, 8463, 9065, 9114, 9555, 10101, 10878, 11470, 12090, 14105, 14430, 14911, 15190, 16058, 16835, 16926, 17205, 18130, 19110, 19747, 20202, 22785, 23569, 24087, 27195, 28210, 29822, 33670, 34410, 39494, 40145, 42315, 44733, 45570, 47138, 48174, 50505, 54390, 56203, 59241, 70707, 74555, 80290, 84630, 89466, 98735, 101010, 104377, 112406, 117845, 118482, 120435, 141414, 149110, 168609, 197470, 208754, 223665, 235690, 240870, 281015, 296205, 313131, 337218, 353535, 447330, 521885, 562030, 592410, 626262, 707070, 730639, 843045, 1043770, 1461278, 1565655, 1686090, 2191917, 3131310, 3653195, 4383834, 7306390, 10959585, 21919170]

約数ペア:

[(1, 21919170), (2, 10959585), (3, 7306390), (5, 4383834), (6, 3653195), (7, 3131310), (10, 2191917), (13, 1686090), (14, 1565655), (15, 1461278), (21, 1043770), (26, 843045), (30, 730639), (31, 707070), (35, 626262), (37, 592410), (39, 562030), (42, 521885), (49, 447330), (62, 353535), (65, 337218), (70, 313131), (74, 296205), (78, 281015), (91, 240870), (93, 235690), (98, 223665), (105, 208754), (111, 197470), (130, 168609), (147, 149110), (155, 141414), (182, 120435), (185, 118482), (186, 117845), (195, 112406), (210, 104377), (217, 101010), (222, 98735), (245, 89466), (259, 84630), (273, 80290), (294, 74555), (310, 70707), (370, 59241), (390, 56203), (403, 54390), (434, 50505), (455, 48174), (465, 47138), (481, 45570), (490, 44733), (518, 42315), (546, 40145), (555, 39494), (637, 34410), (651, 33670), (735, 29822), (777, 28210), (806, 27195), (910, 24087), (930, 23569), (962, 22785), (1085, 20202), (1110, 19747), (1147, 19110), (1209, 18130), (1274, 17205), (1295, 16926), (1302, 16835), (1365, 16058), (1443, 15190), (1470, 14911), (1519, 14430), (1554, 14105), (1813, 12090), (1911, 11470), (2015, 10878), (2170, 10101), (2294, 9555), (2405, 9114), (2418, 9065), (2590, 8463), (2730, 8029), (2821, 7770), (2886, 7595), (3038, 7215), (3185, 6882), (3255, 6734), (3367, 6510), (3441, 6370), (3626, 6045), (3822, 5735), (3885, 5642), (4030, 5439), (4557, 4810)]