21262452407

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{1171}}^1\times {\mathrm{19801}}^1$

素因数の和:21110

約数の個数: 16

約数和(自身を含む): 24507588864

約数和(自身を除く): 3245136457

約数列:

[1, 7, 131, 917, 1171, 8197, 19801, 138607, 153401, 1073807, 2593931, 18157517, 23186971, 162308797, 3037493201, 21262452407]

約数ペア:

[(1, 21262452407), (7, 3037493201), (131, 162308797), (917, 23186971), (1171, 18157517), (8197, 2593931), (19801, 1073807), (138607, 153401)]