21734565

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 36765696

約数和(自身を除く): 15031131

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1087, 1333, 3261, 3999, 5435, 6665, 16305, 19995, 33697, 46741, 101091, 140223, 168485, 233705, 505455, 701115, 1448971, 4346913, 7244855, 21734565]

約数ペア:

[(1, 21734565), (3, 7244855), (5, 4346913), (15, 1448971), (31, 701115), (43, 505455), (93, 233705), (129, 168485), (155, 140223), (215, 101091), (465, 46741), (645, 33697), (1087, 19995), (1333, 16305), (3261, 6665), (3999, 5435)]