21603957

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2843}}^1$

素因数の和:3012

約数の個数: 16

約数和(自身を含む): 30715200

約数和(自身を除く): 9111243

約数列:

[1, 3, 17, 51, 149, 447, 2533, 2843, 7599, 8529, 48331, 144993, 423607, 1270821, 7201319, 21603957]

約数ペア:

[(1, 21603957), (3, 7201319), (17, 1270821), (51, 423607), (149, 144993), (447, 48331), (2533, 8529), (2843, 7599)]