21875732

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1871}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 39836160

約数和(自身を除く): 17960428

約数列:

[1, 2, 4, 37, 74, 79, 148, 158, 316, 1871, 2923, 3742, 5846, 7484, 11692, 69227, 138454, 147809, 276908, 295618, 591236, 5468933, 10937866, 21875732]

約数ペア:

[(1, 21875732), (2, 10937866), (4, 5468933), (37, 591236), (74, 295618), (79, 276908), (148, 147809), (158, 138454), (316, 69227), (1871, 11692), (2923, 7484), (3742, 5846)]