21271004

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1423}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 38635968

約数和(自身を除く): 17364964

約数列:

[1, 2, 4, 37, 74, 101, 148, 202, 404, 1423, 2846, 3737, 5692, 7474, 14948, 52651, 105302, 143723, 210604, 287446, 574892, 5317751, 10635502, 21271004]

約数ペア:

[(1, 21271004), (2, 10635502), (4, 5317751), (37, 574892), (74, 287446), (101, 210604), (148, 143723), (202, 105302), (404, 52651), (1423, 14948), (2846, 7474), (3737, 5692)]