21441585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4481}}^1$

素因数の和:4529

約数の個数: 32

約数和(自身を含む): 38724480

約数和(自身を除く): 17282895

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4481, 4785, 13443, 22405, 49291, 67215, 129949, 147873, 246455, 389847, 649745, 739365, 1429439, 1949235, 4288317, 7147195, 21441585]

約数ペア:

[(1, 21441585), (3, 7147195), (5, 4288317), (11, 1949235), (15, 1429439), (29, 739365), (33, 649745), (55, 389847), (87, 246455), (145, 147873), (165, 129949), (319, 67215), (435, 49291), (957, 22405), (1595, 13443), (4481, 4785)]