21993014

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{2671}}^1$

素因数の和:2875

約数の個数: 16

約数和(自身を含む): 34629120

約数和(自身を除く): 12636106

約数列:

[1, 2, 23, 46, 179, 358, 2671, 4117, 5342, 8234, 61433, 122866, 478109, 956218, 10996507, 21993014]

約数ペア:

[(1, 21993014), (2, 10996507), (23, 956218), (46, 478109), (179, 122866), (358, 61433), (2671, 8234), (4117, 5342)]