21938268

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 58317840

約数和(自身を除く): 36379572

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 121, 132, 174, 242, 319, 348, 363, 484, 521, 638, 726, 957, 1042, 1276, 1452, 1563, 1914, 2084, 3126, 3509, 3828, 5731, 6252, 7018, 10527, 11462, 14036, 15109, 17193, 21054, 22924, 30218, 34386, 42108, 45327, 60436, 63041, 68772, 90654, 126082, 166199, 181308, 189123, 252164, 332398, 378246, 498597, 664796, 756492, 997194, 1828189, 1994388, 3656378, 5484567, 7312756, 10969134, 21938268]

約数ペア:

[(1, 21938268), (2, 10969134), (3, 7312756), (4, 5484567), (6, 3656378), (11, 1994388), (12, 1828189), (22, 997194), (29, 756492), (33, 664796), (44, 498597), (58, 378246), (66, 332398), (87, 252164), (116, 189123), (121, 181308), (132, 166199), (174, 126082), (242, 90654), (319, 68772), (348, 63041), (363, 60436), (484, 45327), (521, 42108), (638, 34386), (726, 30218), (957, 22924), (1042, 21054), (1276, 17193), (1452, 15109), (1563, 14036), (1914, 11462), (2084, 10527), (3126, 7018), (3509, 6252), (3828, 5731)]