21348225

素因数分解:

$3^3\times 5^2\times {\mathrm{31627}}^1$

素因数の和:31646

約数の個数: 24

約数和(自身を含む): 39218720

約数和(自身を除く): 17870495

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31627, 94881, 158135, 284643, 474405, 790675, 853929, 1423215, 2372025, 4269645, 7116075, 21348225]

約数ペア:

[(1, 21348225), (3, 7116075), (5, 4269645), (9, 2372025), (15, 1423215), (25, 853929), (27, 790675), (45, 474405), (75, 284643), (135, 158135), (225, 94881), (675, 31627)]