21881208

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 57647520

約数和(自身を除く): 35766312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 41, 74, 82, 111, 123, 148, 164, 222, 246, 296, 328, 444, 492, 601, 888, 984, 1202, 1517, 1803, 2404, 3034, 3606, 4551, 4808, 6068, 7212, 9102, 12136, 14424, 18204, 22237, 24641, 36408, 44474, 49282, 66711, 73923, 88948, 98564, 133422, 147846, 177896, 197128, 266844, 295692, 533688, 591384, 911717, 1823434, 2735151, 3646868, 5470302, 7293736, 10940604, 21881208]

約数ペア:

[(1, 21881208), (2, 10940604), (3, 7293736), (4, 5470302), (6, 3646868), (8, 2735151), (12, 1823434), (24, 911717), (37, 591384), (41, 533688), (74, 295692), (82, 266844), (111, 197128), (123, 177896), (148, 147846), (164, 133422), (222, 98564), (246, 88948), (296, 73923), (328, 66711), (444, 49282), (492, 44474), (601, 36408), (888, 24641), (984, 22237), (1202, 18204), (1517, 14424), (1803, 12136), (2404, 9102), (3034, 7212), (3606, 6068), (4551, 4808)]