21001570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1831}}^1$

素因数の和:1906

約数の個数: 32

約数和(自身を含む): 40098816

約数和(自身を除く): 19097246

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 155, 185, 310, 370, 1147, 1831, 2294, 3662, 5735, 9155, 11470, 18310, 56761, 67747, 113522, 135494, 283805, 338735, 567610, 677470, 2100157, 4200314, 10500785, 21001570]

約数ペア:

[(1, 21001570), (2, 10500785), (5, 4200314), (10, 2100157), (31, 677470), (37, 567610), (62, 338735), (74, 283805), (155, 135494), (185, 113522), (310, 67747), (370, 56761), (1147, 18310), (1831, 11470), (2294, 9155), (3662, 5735)]