21535425

素因数分解:

$3^2\times 5^2\times {\mathrm{95713}}^1$

素因数の和:95729

約数の個数: 18

約数和(自身を含む): 38572742

約数和(自身を除く): 17037317

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 95713, 287139, 478565, 861417, 1435695, 2392825, 4307085, 7178475, 21535425]

約数ペア:

[(1, 21535425), (3, 7178475), (5, 4307085), (9, 2392825), (15, 1435695), (25, 861417), (45, 478565), (75, 287139), (225, 95713)]