21995236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1733}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 40783680

約数和(自身を除く): 18788444

約数列:

[1, 2, 4, 19, 38, 76, 167, 334, 668, 1733, 3173, 3466, 6346, 6932, 12692, 32927, 65854, 131708, 289411, 578822, 1157644, 5498809, 10997618, 21995236]

約数ペア:

[(1, 21995236), (2, 10997618), (4, 5498809), (19, 1157644), (38, 578822), (76, 289411), (167, 131708), (334, 65854), (668, 32927), (1733, 12692), (3173, 6932), (3466, 6346)]