21441615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3547}}^1$

素因数の和:3599

約数の個数: 32

約数和(自身を含む): 38148096

約数和(自身を除く): 16706481

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3547, 6045, 10641, 17735, 46111, 53205, 109957, 138333, 230555, 329871, 549785, 691665, 1429441, 1649355, 4288323, 7147205, 21441615]

約数ペア:

[(1, 21441615), (3, 7147205), (5, 4288323), (13, 1649355), (15, 1429441), (31, 691665), (39, 549785), (65, 329871), (93, 230555), (155, 138333), (195, 109957), (403, 53205), (465, 46111), (1209, 17735), (2015, 10641), (3547, 6045)]