21911280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91297}}^1$

素因数の和:91313

約数の個数: 40

約数和(自身を含む): 67925712

約数和(自身を除く): 46014432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91297, 182594, 273891, 365188, 456485, 547782, 730376, 912970, 1095564, 1369455, 1460752, 1825940, 2191128, 2738910, 3651880, 4382256, 5477820, 7303760, 10955640, 21911280]

約数ペア:

[(1, 21911280), (2, 10955640), (3, 7303760), (4, 5477820), (5, 4382256), (6, 3651880), (8, 2738910), (10, 2191128), (12, 1825940), (15, 1460752), (16, 1369455), (20, 1095564), (24, 912970), (30, 730376), (40, 547782), (48, 456485), (60, 365188), (80, 273891), (120, 182594), (240, 91297)]