21712290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4793}}^1$

素因数の和:4954

約数の個数: 32

約数和(自身を含む): 52465536

約数和(自身を除く): 30753246

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4530, 4793, 9586, 14379, 23965, 28758, 47930, 71895, 143790, 723743, 1447486, 2171229, 3618715, 4342458, 7237430, 10856145, 21712290]

約数ペア:

[(1, 21712290), (2, 10856145), (3, 7237430), (5, 4342458), (6, 3618715), (10, 2171229), (15, 1447486), (30, 723743), (151, 143790), (302, 71895), (453, 47930), (755, 28758), (906, 23965), (1510, 14379), (2265, 9586), (4530, 4793)]