21222368

素因数分解:

$2^5\times {\mathrm{149}}^1\times {\mathrm{4451}}^1$

素因数の和:4610

約数の個数: 24

約数和(自身を含む): 42071400

約数和(自身を除く): 20849032

約数列:

[1, 2, 4, 8, 16, 32, 149, 298, 596, 1192, 2384, 4451, 4768, 8902, 17804, 35608, 71216, 142432, 663199, 1326398, 2652796, 5305592, 10611184, 21222368]

約数ペア:

[(1, 21222368), (2, 10611184), (4, 5305592), (8, 2652796), (16, 1326398), (32, 663199), (149, 142432), (298, 71216), (596, 35608), (1192, 17804), (2384, 8902), (4451, 4768)]