21635724

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2687}}^1$

素因数の和:2766

約数の個数: 48

約数和(自身を含む): 55996416

約数和(自身を除く): 34360692

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 61, 66, 122, 132, 183, 244, 366, 671, 732, 1342, 2013, 2684, 2687, 4026, 5374, 8052, 8061, 10748, 16122, 29557, 32244, 59114, 88671, 118228, 163907, 177342, 327814, 354684, 491721, 655628, 983442, 1802977, 1966884, 3605954, 5408931, 7211908, 10817862, 21635724]

約数ペア:

[(1, 21635724), (2, 10817862), (3, 7211908), (4, 5408931), (6, 3605954), (11, 1966884), (12, 1802977), (22, 983442), (33, 655628), (44, 491721), (61, 354684), (66, 327814), (122, 177342), (132, 163907), (183, 118228), (244, 88671), (366, 59114), (671, 32244), (732, 29557), (1342, 16122), (2013, 10748), (2684, 8061), (2687, 8052), (4026, 5374)]