21161192

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11969}}^1$

素因数の和:12005

約数の個数: 32

約数和(自身を含む): 45246600

約数和(自身を除く): 24085408

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11969, 23938, 47876, 95752, 155597, 203473, 311194, 406946, 622388, 813892, 1244776, 1627784, 2645149, 5290298, 10580596, 21161192]

約数ペア:

[(1, 21161192), (2, 10580596), (4, 5290298), (8, 2645149), (13, 1627784), (17, 1244776), (26, 813892), (34, 622388), (52, 406946), (68, 311194), (104, 203473), (136, 155597), (221, 95752), (442, 47876), (884, 23938), (1768, 11969)]