21986874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 60662784

約数和(自身を除く): 38675910

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 62, 63, 78, 91, 93, 117, 126, 182, 186, 217, 234, 273, 279, 403, 433, 434, 546, 558, 651, 806, 819, 866, 1209, 1299, 1302, 1638, 1953, 2418, 2598, 2821, 3031, 3627, 3897, 3906, 5629, 5642, 6062, 7254, 7794, 8463, 9093, 11258, 13423, 16887, 16926, 18186, 25389, 26846, 27279, 33774, 39403, 40269, 50661, 50778, 54558, 78806, 80538, 93961, 101322, 118209, 120807, 174499, 187922, 236418, 241614, 281883, 348998, 354627, 523497, 563766, 709254, 845649, 1046994, 1221493, 1570491, 1691298, 2442986, 3140982, 3664479, 7328958, 10993437, 21986874]

約数ペア:

[(1, 21986874), (2, 10993437), (3, 7328958), (6, 3664479), (7, 3140982), (9, 2442986), (13, 1691298), (14, 1570491), (18, 1221493), (21, 1046994), (26, 845649), (31, 709254), (39, 563766), (42, 523497), (62, 354627), (63, 348998), (78, 281883), (91, 241614), (93, 236418), (117, 187922), (126, 174499), (182, 120807), (186, 118209), (217, 101322), (234, 93961), (273, 80538), (279, 78806), (403, 54558), (433, 50778), (434, 50661), (546, 40269), (558, 39403), (651, 33774), (806, 27279), (819, 26846), (866, 25389), (1209, 18186), (1299, 16926), (1302, 16887), (1638, 13423), (1953, 11258), (2418, 9093), (2598, 8463), (2821, 7794), (3031, 7254), (3627, 6062), (3897, 5642), (3906, 5629)]