21727935

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2791}}^1$

素因数の和:2975

約数の個数: 24

約数和(自身を含む): 37893024

約数和(自身を除く): 16165089

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 2791, 7785, 8373, 13955, 25119, 41865, 125595, 482843, 1448529, 2414215, 4345587, 7242645, 21727935]

約数ペア:

[(1, 21727935), (3, 7242645), (5, 4345587), (9, 2414215), (15, 1448529), (45, 482843), (173, 125595), (519, 41865), (865, 25119), (1557, 13955), (2595, 8373), (2791, 7785)]