21024575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5881}}^1$

素因数の和:5915

約数の個数: 24

約数和(自身を含む): 30633456

約数和(自身を除く): 9608881

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5881, 29405, 64691, 76453, 147025, 323455, 382265, 840983, 1617275, 1911325, 4204915, 21024575]

約数ペア:

[(1, 21024575), (5, 4204915), (11, 1911325), (13, 1617275), (25, 840983), (55, 382265), (65, 323455), (143, 147025), (275, 76453), (325, 64691), (715, 29405), (3575, 5881)]