21091725

素因数分解:

$3^3\times 5^2\times {\mathrm{31247}}^1$

素因数の和:31266

約数の個数: 24

約数和(自身を含む): 38747520

約数和(自身を除く): 17655795

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31247, 93741, 156235, 281223, 468705, 781175, 843669, 1406115, 2343525, 4218345, 7030575, 21091725]

約数ペア:

[(1, 21091725), (3, 7030575), (5, 4218345), (9, 2343525), (15, 1406115), (25, 843669), (27, 781175), (45, 468705), (75, 281223), (135, 156235), (225, 93741), (675, 31247)]