21870862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{44273}}^1$

素因数の和:44307

約数の個数: 16

約数和(自身を含む): 37190160

約数和(自身を除く): 15319298

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 44273, 88546, 575549, 841187, 1151098, 1682374, 10935431, 21870862]

約数ペア:

[(1, 21870862), (2, 10935431), (13, 1682374), (19, 1151098), (26, 841187), (38, 575549), (247, 88546), (494, 44273)]