21742710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1669

約数の個数: 64

約数和(自身を含む): 58351104

約数和(自身を除く): 36608394

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 41, 55, 66, 82, 110, 123, 165, 205, 246, 330, 410, 451, 615, 902, 1230, 1353, 1607, 2255, 2706, 3214, 4510, 4821, 6765, 8035, 9642, 13530, 16070, 17677, 24105, 35354, 48210, 53031, 65887, 88385, 106062, 131774, 176770, 197661, 265155, 329435, 395322, 530310, 658870, 724757, 988305, 1449514, 1976610, 2174271, 3623785, 4348542, 7247570, 10871355, 21742710]

約数ペア:

[(1, 21742710), (2, 10871355), (3, 7247570), (5, 4348542), (6, 3623785), (10, 2174271), (11, 1976610), (15, 1449514), (22, 988305), (30, 724757), (33, 658870), (41, 530310), (55, 395322), (66, 329435), (82, 265155), (110, 197661), (123, 176770), (165, 131774), (205, 106062), (246, 88385), (330, 65887), (410, 53031), (451, 48210), (615, 35354), (902, 24105), (1230, 17677), (1353, 16070), (1607, 13530), (2255, 9642), (2706, 8035), (3214, 6765), (4510, 4821)]