21557010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6359}}^1$

素因数の和:6482

約数の個数: 32

約数和(自身を含む): 52202880

約数和(自身を除く): 30645870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 113, 226, 339, 565, 678, 1130, 1695, 3390, 6359, 12718, 19077, 31795, 38154, 63590, 95385, 190770, 718567, 1437134, 2155701, 3592835, 4311402, 7185670, 10778505, 21557010]

約数ペア:

[(1, 21557010), (2, 10778505), (3, 7185670), (5, 4311402), (6, 3592835), (10, 2155701), (15, 1437134), (30, 718567), (113, 190770), (226, 95385), (339, 63590), (565, 38154), (678, 31795), (1130, 19077), (1695, 12718), (3390, 6359)]