21960158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 38631168

約数和(自身を除く): 16671010

約数列:

[1, 2, 11, 17, 22, 34, 71, 142, 187, 374, 781, 827, 1207, 1562, 1654, 2414, 9097, 13277, 14059, 18194, 26554, 28118, 58717, 117434, 154649, 309298, 645887, 998189, 1291774, 1996378, 10980079, 21960158]

約数ペア:

[(1, 21960158), (2, 10980079), (11, 1996378), (17, 1291774), (22, 998189), (34, 645887), (71, 309298), (142, 154649), (187, 117434), (374, 58717), (781, 28118), (827, 26554), (1207, 18194), (1562, 14059), (1654, 13277), (2414, 9097)]