21649610

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 40407552

約数和(自身を除く): 18757942

約数列:

[1, 2, 5, 10, 47, 73, 94, 146, 235, 365, 470, 631, 730, 1262, 3155, 3431, 6310, 6862, 17155, 29657, 34310, 46063, 59314, 92126, 148285, 230315, 296570, 460630, 2164961, 4329922, 10824805, 21649610]

約数ペア:

[(1, 21649610), (2, 10824805), (5, 4329922), (10, 2164961), (47, 460630), (73, 296570), (94, 230315), (146, 148285), (235, 92126), (365, 59314), (470, 46063), (631, 34310), (730, 29657), (1262, 17155), (3155, 6862), (3431, 6310)]