21468566

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 39398400

約数和(自身を除く): 17929834

約数列:

[1, 2, 7, 14, 47, 49, 59, 79, 94, 98, 118, 158, 329, 413, 553, 658, 826, 1106, 2303, 2773, 2891, 3713, 3871, 4606, 4661, 5546, 5782, 7426, 7742, 9322, 19411, 25991, 32627, 38822, 51982, 65254, 135877, 181937, 219067, 228389, 271754, 363874, 438134, 456778, 1533469, 3066938, 10734283, 21468566]

約数ペア:

[(1, 21468566), (2, 10734283), (7, 3066938), (14, 1533469), (47, 456778), (49, 438134), (59, 363874), (79, 271754), (94, 228389), (98, 219067), (118, 181937), (158, 135877), (329, 65254), (413, 51982), (553, 38822), (658, 32627), (826, 25991), (1106, 19411), (2303, 9322), (2773, 7742), (2891, 7426), (3713, 5782), (3871, 5546), (4606, 4661)]