21725730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:656

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 41173470

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 186, 195, 234, 279, 310, 390, 403, 465, 558, 585, 599, 806, 930, 1170, 1198, 1209, 1395, 1797, 2015, 2418, 2790, 2995, 3594, 3627, 4030, 5391, 5990, 6045, 7254, 7787, 8985, 10782, 12090, 15574, 17970, 18135, 18569, 23361, 26955, 36270, 37138, 38935, 46722, 53910, 55707, 70083, 77870, 92845, 111414, 116805, 140166, 167121, 185690, 233610, 241397, 278535, 334242, 350415, 482794, 557070, 700830, 724191, 835605, 1206985, 1448382, 1671210, 2172573, 2413970, 3620955, 4345146, 7241910, 10862865, 21725730]

約数ペア:

[(1, 21725730), (2, 10862865), (3, 7241910), (5, 4345146), (6, 3620955), (9, 2413970), (10, 2172573), (13, 1671210), (15, 1448382), (18, 1206985), (26, 835605), (30, 724191), (31, 700830), (39, 557070), (45, 482794), (62, 350415), (65, 334242), (78, 278535), (90, 241397), (93, 233610), (117, 185690), (130, 167121), (155, 140166), (186, 116805), (195, 111414), (234, 92845), (279, 77870), (310, 70083), (390, 55707), (403, 53910), (465, 46722), (558, 38935), (585, 37138), (599, 36270), (806, 26955), (930, 23361), (1170, 18569), (1198, 18135), (1209, 17970), (1395, 15574), (1797, 12090), (2015, 10782), (2418, 8985), (2790, 7787), (2995, 7254), (3594, 6045), (3627, 5990), (4030, 5391)]