21062127

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1657}}^1$

素因数の和:1902

約数の個数: 16

約数和(自身を含む): 29711360

約数和(自身を除く): 8649233

約数列:

[1, 3, 19, 57, 223, 669, 1657, 4237, 4971, 12711, 31483, 94449, 369511, 1108533, 7020709, 21062127]

約数ペア:

[(1, 21062127), (3, 7020709), (19, 1108533), (57, 369511), (223, 94449), (669, 31483), (1657, 12711), (4237, 4971)]