21345852

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 55874896

約数和(自身を除く): 34529044

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 61, 66, 121, 122, 132, 183, 241, 242, 244, 363, 366, 482, 484, 671, 723, 726, 732, 964, 1342, 1446, 1452, 2013, 2651, 2684, 2892, 4026, 5302, 7381, 7953, 8052, 10604, 14701, 14762, 15906, 22143, 29161, 29402, 29524, 31812, 44103, 44286, 58322, 58804, 87483, 88206, 88572, 116644, 161711, 174966, 176412, 323422, 349932, 485133, 646844, 970266, 1778821, 1940532, 3557642, 5336463, 7115284, 10672926, 21345852]

約数ペア:

[(1, 21345852), (2, 10672926), (3, 7115284), (4, 5336463), (6, 3557642), (11, 1940532), (12, 1778821), (22, 970266), (33, 646844), (44, 485133), (61, 349932), (66, 323422), (121, 176412), (122, 174966), (132, 161711), (183, 116644), (241, 88572), (242, 88206), (244, 87483), (363, 58804), (366, 58322), (482, 44286), (484, 44103), (671, 31812), (723, 29524), (726, 29402), (732, 29161), (964, 22143), (1342, 15906), (1446, 14762), (1452, 14701), (2013, 10604), (2651, 8052), (2684, 7953), (2892, 7381), (4026, 5302)]