21943219

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 1944653

約数列:

[1, 23, 47, 53, 383, 1081, 1219, 2491, 8809, 18001, 20299, 57293, 414023, 466877, 954053, 21943219]

約数ペア:

[(1, 21943219), (23, 954053), (47, 466877), (53, 414023), (383, 57293), (1081, 20299), (1219, 18001), (2491, 8809)]