21173950912

素因数分解:

$2^6\times {\mathrm{277}}^1\times {\mathrm{1194379}}^1$

素因数の和:1194668

約数の個数: 28

約数和(自身を含む): 42168780280

約数和(自身を除く): 20994829368

約数列:

[1, 2, 4, 8, 16, 32, 64, 277, 554, 1108, 2216, 4432, 8864, 17728, 1194379, 2388758, 4777516, 9555032, 19110064, 38220128, 76440256, 330842983, 661685966, 1323371932, 2646743864, 5293487728, 10586975456, 21173950912]

約数ペア:

[(1, 21173950912), (2, 10586975456), (4, 5293487728), (8, 2646743864), (16, 1323371932), (32, 661685966), (64, 330842983), (277, 76440256), (554, 38220128), (1108, 19110064), (2216, 9555032), (4432, 4777516), (8864, 2388758), (17728, 1194379)]