21753975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{12611}}^1$

素因数の和:12647

約数の個数: 24

約数和(自身を含む): 37533312

約数和(自身を除く): 15779337

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 12611, 37833, 63055, 189165, 290053, 315275, 870159, 945825, 1450265, 4350795, 7251325, 21753975]

約数ペア:

[(1, 21753975), (3, 7251325), (5, 4350795), (15, 1450265), (23, 945825), (25, 870159), (69, 315275), (75, 290053), (115, 189165), (345, 63055), (575, 37833), (1725, 12611)]