21032790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4643}}^1$

素因数の和:4804

約数の個数: 32

約数和(自身を含む): 50823936

約数和(自身を除く): 29791146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4530, 4643, 9286, 13929, 23215, 27858, 46430, 69645, 139290, 701093, 1402186, 2103279, 3505465, 4206558, 7010930, 10516395, 21032790]

約数ペア:

[(1, 21032790), (2, 10516395), (3, 7010930), (5, 4206558), (6, 3505465), (10, 2103279), (15, 1402186), (30, 701093), (151, 139290), (302, 69645), (453, 46430), (755, 27858), (906, 23215), (1510, 13929), (2265, 9286), (4530, 4643)]