21324756

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 51649920

約数和(自身を除く): 30325164

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 89, 123, 164, 178, 246, 267, 356, 487, 492, 534, 974, 1068, 1461, 1948, 2922, 3649, 5844, 7298, 10947, 14596, 19967, 21894, 39934, 43343, 43788, 59901, 79868, 86686, 119802, 130029, 173372, 239604, 260058, 520116, 1777063, 3554126, 5331189, 7108252, 10662378, 21324756]

約数ペア:

[(1, 21324756), (2, 10662378), (3, 7108252), (4, 5331189), (6, 3554126), (12, 1777063), (41, 520116), (82, 260058), (89, 239604), (123, 173372), (164, 130029), (178, 119802), (246, 86686), (267, 79868), (356, 59901), (487, 43788), (492, 43343), (534, 39934), (974, 21894), (1068, 19967), (1461, 14596), (1948, 10947), (2922, 7298), (3649, 5844)]