21998086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52627}}^1$

素因数の和:52659

約数の個数: 16

約数和(自身を含む): 37892160

約数和(自身を除く): 15894074

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 52627, 105254, 578897, 999913, 1157794, 1999826, 10999043, 21998086]

約数ペア:

[(1, 21998086), (2, 10999043), (11, 1999826), (19, 1157794), (22, 999913), (38, 578897), (209, 105254), (418, 52627)]