21054692

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{733}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 37980096

約数和(自身を除く): 16925404

約数列:

[1, 2, 4, 43, 86, 167, 172, 334, 668, 733, 1466, 2932, 7181, 14362, 28724, 31519, 63038, 122411, 126076, 244822, 489644, 5263673, 10527346, 21054692]

約数ペア:

[(1, 21054692), (2, 10527346), (4, 5263673), (43, 489644), (86, 244822), (167, 126076), (172, 122411), (334, 63038), (668, 31519), (733, 28724), (1466, 14362), (2932, 7181)]