21524685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1213}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 42655104

約数和(自身を除く): 21130419

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 455, 507, 845, 1183, 1213, 1365, 2535, 3549, 3639, 5915, 6065, 8491, 15769, 17745, 18195, 25473, 42455, 47307, 78845, 110383, 127365, 204997, 236535, 331149, 551915, 614991, 1024985, 1434979, 1655745, 3074955, 4304937, 7174895, 21524685]

約数ペア:

[(1, 21524685), (3, 7174895), (5, 4304937), (7, 3074955), (13, 1655745), (15, 1434979), (21, 1024985), (35, 614991), (39, 551915), (65, 331149), (91, 236535), (105, 204997), (169, 127365), (195, 110383), (273, 78845), (455, 47307), (507, 42455), (845, 25473), (1183, 18195), (1213, 17745), (1365, 15769), (2535, 8491), (3549, 6065), (3639, 5915)]