21916796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{12149}}^1$

素因数の和:12205

約数の個数: 24

約数和(自身を含む): 42865200

約数和(自身を除く): 20948404

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 12149, 24298, 48596, 133639, 267278, 498109, 534556, 996218, 1992436, 5479199, 10958398, 21916796]

約数ペア:

[(1, 21916796), (2, 10958398), (4, 5479199), (11, 1992436), (22, 996218), (41, 534556), (44, 498109), (82, 267278), (164, 133639), (451, 48596), (902, 24298), (1804, 12149)]