21532156961

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1274771}}^1$

素因数の和:1274924

約数の個数: 16

約数和(自身を含む): 26107330560

約数和(自身を除く): 4575173599

約数列:

[1, 7, 19, 127, 133, 889, 2413, 16891, 1274771, 8923397, 24220649, 161895917, 169544543, 1133271419, 3076022423, 21532156961]

約数ペア:

[(1, 21532156961), (7, 3076022423), (19, 1133271419), (127, 169544543), (133, 161895917), (889, 24220649), (2413, 8923397), (16891, 1274771)]