21660075

素因数分解:

$3^3\times 5^2\times {\mathrm{32089}}^1$

素因数の和:32108

約数の個数: 24

約数和(自身を含む): 39791600

約数和(自身を除く): 18131525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 32089, 96267, 160445, 288801, 481335, 802225, 866403, 1444005, 2406675, 4332015, 7220025, 21660075]

約数ペア:

[(1, 21660075), (3, 7220025), (5, 4332015), (9, 2406675), (15, 1444005), (25, 866403), (27, 802225), (45, 481335), (75, 288801), (135, 160445), (225, 96267), (675, 32089)]