21533940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119633}}^1$

素因数の和:119648

約数の個数: 36

約数和(自身を含む): 65320164

約数和(自身を除く): 43786224

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119633, 239266, 358899, 478532, 598165, 717798, 1076697, 1196330, 1435596, 1794495, 2153394, 2392660, 3588990, 4306788, 5383485, 7177980, 10766970, 21533940]

約数ペア:

[(1, 21533940), (2, 10766970), (3, 7177980), (4, 5383485), (5, 4306788), (6, 3588990), (9, 2392660), (10, 2153394), (12, 1794495), (15, 1435596), (18, 1196330), (20, 1076697), (30, 717798), (36, 598165), (45, 478532), (60, 358899), (90, 239266), (180, 119633)]