21618256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1087}}^1$

素因数の和:1219

約数の個数: 40

約数和(自身を含む): 46139904

約数和(自身を除く): 24521648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1087, 1243, 1808, 2174, 2486, 4348, 4972, 8696, 9944, 11957, 17392, 19888, 23914, 47828, 95656, 122831, 191312, 245662, 491324, 982648, 1351141, 1965296, 2702282, 5404564, 10809128, 21618256]

約数ペア:

[(1, 21618256), (2, 10809128), (4, 5404564), (8, 2702282), (11, 1965296), (16, 1351141), (22, 982648), (44, 491324), (88, 245662), (113, 191312), (176, 122831), (226, 95656), (452, 47828), (904, 23914), (1087, 19888), (1243, 17392), (1808, 11957), (2174, 9944), (2486, 8696), (4348, 4972)]