21188572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3359}}^1$

素因数の和:3465

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 18325028

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 1577, 3154, 3359, 6308, 6718, 13436, 63821, 127642, 255284, 278797, 557594, 1115188, 5297143, 10594286, 21188572]

約数ペア:

[(1, 21188572), (2, 10594286), (4, 5297143), (19, 1115188), (38, 557594), (76, 278797), (83, 255284), (166, 127642), (332, 63821), (1577, 13436), (3154, 6718), (3359, 6308)]