21053625

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{2441}}^1$

素因数の和:2482

約数の個数: 32

約数和(自身を含む): 36571392

約数和(自身を除く): 15517767

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1725, 2441, 2875, 7323, 8625, 12205, 36615, 56143, 61025, 168429, 183075, 280715, 305125, 842145, 915375, 1403575, 4210725, 7017875, 21053625]

約数ペア:

[(1, 21053625), (3, 7017875), (5, 4210725), (15, 1403575), (23, 915375), (25, 842145), (69, 305125), (75, 280715), (115, 183075), (125, 168429), (345, 61025), (375, 56143), (575, 36615), (1725, 12205), (2441, 8625), (2875, 7323)]