21288026

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{809}}^1$

素因数の和:1093

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 11371174

約数列:

[1, 2, 59, 118, 223, 446, 809, 1618, 13157, 26314, 47731, 95462, 180407, 360814, 10644013, 21288026]

約数ペア:

[(1, 21288026), (2, 10644013), (59, 360814), (118, 180407), (223, 95462), (446, 47731), (809, 26314), (1618, 13157)]