21232125

素因数分解:

$3^6\times 5^3\times {\mathrm{233}}^1$

素因数の和:266

約数の個数: 56

約数和(自身を含む): 39898872

約数和(自身を除く): 18666747

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 233, 243, 375, 405, 675, 699, 729, 1125, 1165, 1215, 2025, 2097, 3375, 3495, 3645, 5825, 6075, 6291, 10125, 10485, 17475, 18225, 18873, 29125, 30375, 31455, 52425, 56619, 87375, 91125, 94365, 157275, 169857, 262125, 283095, 471825, 786375, 849285, 1415475, 2359125, 4246425, 7077375, 21232125]

約数ペア:

[(1, 21232125), (3, 7077375), (5, 4246425), (9, 2359125), (15, 1415475), (25, 849285), (27, 786375), (45, 471825), (75, 283095), (81, 262125), (125, 169857), (135, 157275), (225, 94365), (233, 91125), (243, 87375), (375, 56619), (405, 52425), (675, 31455), (699, 30375), (729, 29125), (1125, 18873), (1165, 18225), (1215, 17475), (2025, 10485), (2097, 10125), (3375, 6291), (3495, 6075), (3645, 5825)]