21913860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365231}}^1$

素因数の和:365243

約数の個数: 24

約数和(自身を含む): 61358976

約数和(自身を除く): 39445116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365231, 730462, 1095693, 1460924, 1826155, 2191386, 3652310, 4382772, 5478465, 7304620, 10956930, 21913860]

約数ペア:

[(1, 21913860), (2, 10956930), (3, 7304620), (4, 5478465), (5, 4382772), (6, 3652310), (10, 2191386), (12, 1826155), (15, 1460924), (20, 1095693), (30, 730462), (60, 365231)]