21274572

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3931}}^1$

素因数の和:3990

約数の個数: 48

約数和(自身を含む): 55488384

約数和(自身を除く): 34213812

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 66, 82, 123, 132, 164, 246, 451, 492, 902, 1353, 1804, 2706, 3931, 5412, 7862, 11793, 15724, 23586, 43241, 47172, 86482, 129723, 161171, 172964, 259446, 322342, 483513, 518892, 644684, 967026, 1772881, 1934052, 3545762, 5318643, 7091524, 10637286, 21274572]

約数ペア:

[(1, 21274572), (2, 10637286), (3, 7091524), (4, 5318643), (6, 3545762), (11, 1934052), (12, 1772881), (22, 967026), (33, 644684), (41, 518892), (44, 483513), (66, 322342), (82, 259446), (123, 172964), (132, 161171), (164, 129723), (246, 86482), (451, 47172), (492, 43241), (902, 23586), (1353, 15724), (1804, 11793), (2706, 7862), (3931, 5412)]