21445425

素因数分解:

$3^3\times 5^2\times {\mathrm{31771}}^1$

素因数の和:31790

約数の個数: 24

約数和(自身を含む): 39397280

約数和(自身を除く): 17951855

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31771, 95313, 158855, 285939, 476565, 794275, 857817, 1429695, 2382825, 4289085, 7148475, 21445425]

約数ペア:

[(1, 21445425), (3, 7148475), (5, 4289085), (9, 2382825), (15, 1429695), (25, 857817), (27, 794275), (45, 476565), (75, 285939), (135, 158855), (225, 95313), (675, 31771)]