21156556920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176304641}}^1$

素因数の和:176304655

約数の個数: 32

約数和(自身を含む): 63469671120

約数和(自身を除く): 42313114200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176304641, 352609282, 528913923, 705218564, 881523205, 1057827846, 1410437128, 1763046410, 2115655692, 2644569615, 3526092820, 4231311384, 5289139230, 7052185640, 10578278460, 21156556920]

約数ペア:

[(1, 21156556920), (2, 10578278460), (3, 7052185640), (4, 5289139230), (5, 4231311384), (6, 3526092820), (8, 2644569615), (10, 2115655692), (12, 1763046410), (15, 1410437128), (20, 1057827846), (24, 881523205), (30, 705218564), (40, 528913923), (60, 352609282), (120, 176304641)]