21931680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45691}}^1$

素因数の和:45709

約数の個数: 48

約数和(自身を含む): 69086304

約数和(自身を除く): 47154624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45691, 91382, 137073, 182764, 228455, 274146, 365528, 456910, 548292, 685365, 731056, 913820, 1096584, 1370730, 1462112, 1827640, 2193168, 2741460, 3655280, 4386336, 5482920, 7310560, 10965840, 21931680]

約数ペア:

[(1, 21931680), (2, 10965840), (3, 7310560), (4, 5482920), (5, 4386336), (6, 3655280), (8, 2741460), (10, 2193168), (12, 1827640), (15, 1462112), (16, 1370730), (20, 1096584), (24, 913820), (30, 731056), (32, 685365), (40, 548292), (48, 456910), (60, 365528), (80, 274146), (96, 228455), (120, 182764), (160, 137073), (240, 91382), (480, 45691)]