21172352

素因数分解:

$2^7\times {\mathrm{251}}^1\times {\mathrm{659}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 42411600

約数和(自身を除く): 21239248

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 502, 659, 1004, 1318, 2008, 2636, 4016, 5272, 8032, 10544, 16064, 21088, 32128, 42176, 84352, 165409, 330818, 661636, 1323272, 2646544, 5293088, 10586176, 21172352]

約数ペア:

[(1, 21172352), (2, 10586176), (4, 5293088), (8, 2646544), (16, 1323272), (32, 661636), (64, 330818), (128, 165409), (251, 84352), (502, 42176), (659, 32128), (1004, 21088), (1318, 16064), (2008, 10544), (2636, 8032), (4016, 5272)]