21373550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38861}}^1$

素因数の和:38884

約数の個数: 24

約数和(自身を含む): 43369992

約数和(自身を除く): 21996442

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38861, 77722, 194305, 388610, 427471, 854942, 971525, 1943050, 2137355, 4274710, 10686775, 21373550]

約数ペア:

[(1, 21373550), (2, 10686775), (5, 4274710), (10, 2137355), (11, 1943050), (22, 971525), (25, 854942), (50, 427471), (55, 388610), (110, 194305), (275, 77722), (550, 38861)]