21313875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{5167}}^1$

素因数の和:5196

約数の個数: 32

約数和(自身を含む): 38697984

約数和(自身を除く): 17384109

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 5167, 15501, 25835, 56837, 77505, 129175, 170511, 284185, 387525, 645875, 852555, 1420925, 1937625, 4262775, 7104625, 21313875]

約数ペア:

[(1, 21313875), (3, 7104625), (5, 4262775), (11, 1937625), (15, 1420925), (25, 852555), (33, 645875), (55, 387525), (75, 284185), (125, 170511), (165, 129175), (275, 77505), (375, 56837), (825, 25835), (1375, 15501), (4125, 5167)]