21796709

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 25087104

約数和(自身を除く): 3290395

約数列:

[1, 11, 23, 101, 253, 853, 1111, 2323, 9383, 19619, 25553, 86153, 215809, 947683, 1981519, 21796709]

約数ペア:

[(1, 21796709), (11, 1981519), (23, 947683), (101, 215809), (253, 86153), (853, 25553), (1111, 19619), (2323, 9383)]