21369472

素因数分解:

$2^7\times {\mathrm{166949}}^1$

素因数の和:166963

約数の個数: 16

約数和(自身を含む): 42572250

約数和(自身を除く): 21202778

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 166949, 333898, 667796, 1335592, 2671184, 5342368, 10684736, 21369472]

約数ペア:

[(1, 21369472), (2, 10684736), (4, 5342368), (8, 2671184), (16, 1335592), (32, 667796), (64, 333898), (128, 166949)]