21931032

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 35092968

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 79, 86, 129, 158, 172, 237, 258, 269, 316, 344, 474, 516, 538, 632, 807, 948, 1032, 1076, 1614, 1896, 2152, 3228, 3397, 6456, 6794, 10191, 11567, 13588, 20382, 21251, 23134, 27176, 34701, 40764, 42502, 46268, 63753, 69402, 81528, 85004, 92536, 127506, 138804, 170008, 255012, 277608, 510024, 913793, 1827586, 2741379, 3655172, 5482758, 7310344, 10965516, 21931032]

約数ペア:

[(1, 21931032), (2, 10965516), (3, 7310344), (4, 5482758), (6, 3655172), (8, 2741379), (12, 1827586), (24, 913793), (43, 510024), (79, 277608), (86, 255012), (129, 170008), (158, 138804), (172, 127506), (237, 92536), (258, 85004), (269, 81528), (316, 69402), (344, 63753), (474, 46268), (516, 42502), (538, 40764), (632, 34701), (807, 27176), (948, 23134), (1032, 21251), (1076, 20382), (1614, 13588), (1896, 11567), (2152, 10191), (3228, 6794), (3397, 6456)]