21965208

素因数分解:

$2^3\times 3^1\times {\mathrm{281}}^1\times {\mathrm{3257}}^1$

素因数の和:3547

約数の個数: 32

約数和(自身を含む): 55125360

約数和(自身を除く): 33160152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 281, 562, 843, 1124, 1686, 2248, 3257, 3372, 6514, 6744, 9771, 13028, 19542, 26056, 39084, 78168, 915217, 1830434, 2745651, 3660868, 5491302, 7321736, 10982604, 21965208]

約数ペア:

[(1, 21965208), (2, 10982604), (3, 7321736), (4, 5491302), (6, 3660868), (8, 2745651), (12, 1830434), (24, 915217), (281, 78168), (562, 39084), (843, 26056), (1124, 19542), (1686, 13028), (2248, 9771), (3257, 6744), (3372, 6514)]