21909036995

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1\times {\mathrm{1609}}^1$

素因数の和:2567

約数の個数: 32

約数和(自身を含む): 27354801600

約数和(自身を除く): 5445764605

約数列:

[1, 5, 37, 89, 185, 445, 827, 1609, 3293, 4135, 8045, 16465, 30599, 59533, 73603, 143201, 152995, 297665, 368015, 716005, 1330643, 2723311, 5298437, 6653215, 13616555, 26492185, 49233791, 118427227, 246168955, 592136135, 4381807399, 21909036995]

約数ペア:

[(1, 21909036995), (5, 4381807399), (37, 592136135), (89, 246168955), (185, 118427227), (445, 49233791), (827, 26492185), (1609, 13616555), (3293, 6653215), (4135, 5298437), (8045, 2723311), (16465, 1330643), (30599, 716005), (59533, 368015), (73603, 297665), (143201, 152995)]