21255435

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2473}}^1$

素因数の和:2675

約数の個数: 24

約数和(自身を含む): 37050624

約数和(自身を除く): 15795189

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2473, 2865, 7419, 8595, 12365, 22257, 37095, 111285, 472343, 1417029, 2361715, 4251087, 7085145, 21255435]

約数ペア:

[(1, 21255435), (3, 7085145), (5, 4251087), (9, 2361715), (15, 1417029), (45, 472343), (191, 111285), (573, 37095), (955, 22257), (1719, 12365), (2473, 8595), (2865, 7419)]