21452925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22003}}^1$

素因数の和:22029

約数の個数: 24

約数和(自身を含む): 38198944

約数和(自身を除く): 16746019

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 22003, 66009, 110015, 286039, 330045, 550075, 858117, 1430195, 1650225, 4290585, 7150975, 21452925]

約数ペア:

[(1, 21452925), (3, 7150975), (5, 4290585), (13, 1650225), (15, 1430195), (25, 858117), (39, 550075), (65, 330045), (75, 286039), (195, 110015), (325, 66009), (975, 22003)]