21391624

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{72269}}^1$

素因数の和:72312

約数の個数: 16

約数和(自身を含む): 41193900

約数和(自身を除く): 19802276

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 72269, 144538, 289076, 578152, 2673953, 5347906, 10695812, 21391624]

約数ペア:

[(1, 21391624), (2, 10695812), (4, 5347906), (8, 2673953), (37, 578152), (74, 289076), (148, 144538), (296, 72269)]