21184548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 62512128

約数和(自身を除く): 41327580

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 101, 132, 154, 202, 227, 231, 303, 308, 404, 454, 462, 606, 681, 707, 908, 924, 1111, 1212, 1362, 1414, 1589, 2121, 2222, 2497, 2724, 2828, 3178, 3333, 4242, 4444, 4767, 4994, 6356, 6666, 7491, 7777, 8484, 9534, 9988, 13332, 14982, 15554, 17479, 19068, 22927, 23331, 29964, 31108, 34958, 45854, 46662, 52437, 68781, 69916, 91708, 93324, 104874, 137562, 160489, 209748, 252197, 275124, 320978, 481467, 504394, 641956, 756591, 962934, 1008788, 1513182, 1765379, 1925868, 3026364, 3530758, 5296137, 7061516, 10592274, 21184548]

約数ペア:

[(1, 21184548), (2, 10592274), (3, 7061516), (4, 5296137), (6, 3530758), (7, 3026364), (11, 1925868), (12, 1765379), (14, 1513182), (21, 1008788), (22, 962934), (28, 756591), (33, 641956), (42, 504394), (44, 481467), (66, 320978), (77, 275124), (84, 252197), (101, 209748), (132, 160489), (154, 137562), (202, 104874), (227, 93324), (231, 91708), (303, 69916), (308, 68781), (404, 52437), (454, 46662), (462, 45854), (606, 34958), (681, 31108), (707, 29964), (908, 23331), (924, 22927), (1111, 19068), (1212, 17479), (1362, 15554), (1414, 14982), (1589, 13332), (2121, 9988), (2222, 9534), (2497, 8484), (2724, 7777), (2828, 7491), (3178, 6666), (3333, 6356), (4242, 4994), (4444, 4767)]