21991560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{183263}}^1$

素因数の和:183277

約数の個数: 32

約数和(自身を含む): 65975040

約数和(自身を除く): 43983480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 183263, 366526, 549789, 733052, 916315, 1099578, 1466104, 1832630, 2199156, 2748945, 3665260, 4398312, 5497890, 7330520, 10995780, 21991560]

約数ペア:

[(1, 21991560), (2, 10995780), (3, 7330520), (4, 5497890), (5, 4398312), (6, 3665260), (8, 2748945), (10, 2199156), (12, 1832630), (15, 1466104), (20, 1099578), (24, 916315), (30, 733052), (40, 549789), (60, 366526), (120, 183263)]