21614570

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1021}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 40839120

約数和(自身を除く): 19224550

約数列:

[1, 2, 5, 10, 29, 58, 73, 145, 146, 290, 365, 730, 1021, 2042, 2117, 4234, 5105, 10210, 10585, 21170, 29609, 59218, 74533, 148045, 149066, 296090, 372665, 745330, 2161457, 4322914, 10807285, 21614570]

約数ペア:

[(1, 21614570), (2, 10807285), (5, 4322914), (10, 2161457), (29, 745330), (58, 372665), (73, 296090), (145, 149066), (146, 148045), (290, 74533), (365, 59218), (730, 29609), (1021, 21170), (2042, 10585), (2117, 10210), (4234, 5105)]