21100486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 35834400

約数和(自身を除く): 14733914

約数列:

[1, 2, 11, 22, 41, 82, 149, 157, 298, 314, 451, 902, 1639, 1727, 3278, 3454, 6109, 6437, 12218, 12874, 23393, 46786, 67199, 70807, 134398, 141614, 257323, 514646, 959113, 1918226, 10550243, 21100486]

約数ペア:

[(1, 21100486), (2, 10550243), (11, 1918226), (22, 959113), (41, 514646), (82, 257323), (149, 141614), (157, 134398), (298, 70807), (314, 67199), (451, 46786), (902, 23393), (1639, 12874), (1727, 12218), (3278, 6437), (3454, 6109)]