21026882

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4357}}^1$

素因数の和:4505

約数の個数: 16

約数和(自身を含む): 33469440

約数和(自身を除く): 12442558

約数列:

[1, 2, 19, 38, 127, 254, 2413, 4357, 4826, 8714, 82783, 165566, 553339, 1106678, 10513441, 21026882]

約数ペア:

[(1, 21026882), (2, 10513441), (19, 1106678), (38, 553339), (127, 165566), (254, 82783), (2413, 8714), (4357, 4826)]