21050306

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1621}}^1$

素因数の和:1817

約数の個数: 16

約数和(自身を含む): 32543808

約数和(自身を除く): 11493502

約数列:

[1, 2, 43, 86, 151, 302, 1621, 3242, 6493, 12986, 69703, 139406, 244771, 489542, 10525153, 21050306]

約数ペア:

[(1, 21050306), (2, 10525153), (43, 489542), (86, 244771), (151, 139406), (302, 69703), (1621, 12986), (3242, 6493)]