21965258

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2251}}^1$

素因数の和:2318

約数の個数: 32

約数和(自身を含む): 40860288

約数和(自身を除く): 18895030

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 2251, 4502, 4879, 9758, 15757, 31514, 38267, 76534, 92291, 184582, 267869, 535738, 646037, 1292074, 1568947, 3137894, 10982629, 21965258]

約数ペア:

[(1, 21965258), (2, 10982629), (7, 3137894), (14, 1568947), (17, 1292074), (34, 646037), (41, 535738), (82, 267869), (119, 184582), (238, 92291), (287, 76534), (574, 38267), (697, 31514), (1394, 15757), (2251, 9758), (4502, 4879)]