21344524

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1723}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 39583040

約数和(自身を除く): 18238516

約数列:

[1, 2, 4, 19, 38, 76, 163, 326, 652, 1723, 3097, 3446, 6194, 6892, 12388, 32737, 65474, 130948, 280849, 561698, 1123396, 5336131, 10672262, 21344524]

約数ペア:

[(1, 21344524), (2, 10672262), (4, 5336131), (19, 1123396), (38, 561698), (76, 280849), (163, 130948), (326, 65474), (652, 32737), (1723, 12388), (3097, 6892), (3446, 6194)]