21101324

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2749}}^1$

素因数の和:2873

約数の個数: 24

約数和(自身を含む): 39270000

約数和(自身を除く): 18168676

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2749, 3838, 5498, 7676, 10996, 52231, 104462, 208924, 277649, 555298, 1110596, 5275331, 10550662, 21101324]

約数ペア:

[(1, 21101324), (2, 10550662), (4, 5275331), (19, 1110596), (38, 555298), (76, 277649), (101, 208924), (202, 104462), (404, 52231), (1919, 10996), (2749, 7676), (3838, 5498)]