21902955

素因数分解:

$3^1\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1889}}^1$

素因数の和:2670

約数の個数: 16

約数和(自身を含む): 35108640

約数和(自身を除く): 13205685

約数列:

[1, 3, 5, 15, 773, 1889, 2319, 3865, 5667, 9445, 11595, 28335, 1460197, 4380591, 7300985, 21902955]

約数ペア:

[(1, 21902955), (3, 7300985), (5, 4380591), (15, 1460197), (773, 28335), (1889, 11595), (2319, 9445), (3865, 5667)]