21057079168

素因数分解:

$2^7\times {\mathrm{5281}}^1\times {\mathrm{31151}}^1$

素因数の和:36446

約数の個数: 32

約数和(自身を含む): 41958940320

約数和(自身を除く): 20901861152

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 5281, 10562, 21124, 31151, 42248, 62302, 84496, 124604, 168992, 249208, 337984, 498416, 675968, 996832, 1993664, 3987328, 164508431, 329016862, 658033724, 1316067448, 2632134896, 5264269792, 10528539584, 21057079168]

約数ペア:

[(1, 21057079168), (2, 10528539584), (4, 5264269792), (8, 2632134896), (16, 1316067448), (32, 658033724), (64, 329016862), (128, 164508431), (5281, 3987328), (10562, 1993664), (21124, 996832), (31151, 675968), (42248, 498416), (62302, 337984), (84496, 249208), (124604, 168992)]