21335832

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 68889600

約数和(自身を除く): 47553768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 103, 108, 126, 137, 168, 189, 206, 216, 252, 274, 309, 378, 411, 412, 504, 548, 618, 721, 756, 822, 824, 927, 959, 1096, 1233, 1236, 1442, 1512, 1644, 1854, 1918, 2163, 2466, 2472, 2781, 2877, 2884, 3288, 3699, 3708, 3836, 4326, 4932, 5562, 5754, 5768, 6489, 7398, 7416, 7672, 8631, 8652, 9864, 11124, 11508, 12978, 14111, 14796, 17262, 17304, 19467, 22248, 23016, 25893, 25956, 28222, 29592, 34524, 38934, 42333, 51786, 51912, 56444, 69048, 77868, 84666, 98777, 103572, 112888, 126999, 155736, 169332, 197554, 207144, 253998, 296331, 338664, 380997, 395108, 507996, 592662, 761994, 790216, 888993, 1015992, 1185324, 1523988, 1777986, 2370648, 2666979, 3047976, 3555972, 5333958, 7111944, 10667916, 21335832]

約数ペア:

[(1, 21335832), (2, 10667916), (3, 7111944), (4, 5333958), (6, 3555972), (7, 3047976), (8, 2666979), (9, 2370648), (12, 1777986), (14, 1523988), (18, 1185324), (21, 1015992), (24, 888993), (27, 790216), (28, 761994), (36, 592662), (42, 507996), (54, 395108), (56, 380997), (63, 338664), (72, 296331), (84, 253998), (103, 207144), (108, 197554), (126, 169332), (137, 155736), (168, 126999), (189, 112888), (206, 103572), (216, 98777), (252, 84666), (274, 77868), (309, 69048), (378, 56444), (411, 51912), (412, 51786), (504, 42333), (548, 38934), (618, 34524), (721, 29592), (756, 28222), (822, 25956), (824, 25893), (927, 23016), (959, 22248), (1096, 19467), (1233, 17304), (1236, 17262), (1442, 14796), (1512, 14111), (1644, 12978), (1854, 11508), (1918, 11124), (2163, 9864), (2466, 8652), (2472, 8631), (2781, 7672), (2877, 7416), (2884, 7398), (3288, 6489), (3699, 5768), (3708, 5754), (3836, 5562), (4326, 4932)]