21117676

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1471}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 38372096

約数和(自身を除く): 17254420

約数列:

[1, 2, 4, 37, 74, 97, 148, 194, 388, 1471, 2942, 3589, 5884, 7178, 14356, 54427, 108854, 142687, 217708, 285374, 570748, 5279419, 10558838, 21117676]

約数ペア:

[(1, 21117676), (2, 10558838), (4, 5279419), (37, 570748), (74, 285374), (97, 217708), (148, 142687), (194, 108854), (388, 54427), (1471, 14356), (2942, 7178), (3589, 5884)]