21222768

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:862

約数の個数: 80

約数和(自身を含む): 63495936

約数和(自身を除く): 42273168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 83, 84, 112, 166, 168, 249, 332, 336, 498, 581, 664, 761, 996, 1162, 1328, 1522, 1743, 1992, 2283, 2324, 3044, 3486, 3984, 4566, 4648, 5327, 6088, 6972, 9132, 9296, 10654, 12176, 13944, 15981, 18264, 21308, 27888, 31962, 36528, 42616, 63163, 63924, 85232, 126326, 127848, 189489, 252652, 255696, 378978, 442141, 505304, 757956, 884282, 1010608, 1326423, 1515912, 1768564, 2652846, 3031824, 3537128, 5305692, 7074256, 10611384, 21222768]

約数ペア:

[(1, 21222768), (2, 10611384), (3, 7074256), (4, 5305692), (6, 3537128), (7, 3031824), (8, 2652846), (12, 1768564), (14, 1515912), (16, 1326423), (21, 1010608), (24, 884282), (28, 757956), (42, 505304), (48, 442141), (56, 378978), (83, 255696), (84, 252652), (112, 189489), (166, 127848), (168, 126326), (249, 85232), (332, 63924), (336, 63163), (498, 42616), (581, 36528), (664, 31962), (761, 27888), (996, 21308), (1162, 18264), (1328, 15981), (1522, 13944), (1743, 12176), (1992, 10654), (2283, 9296), (2324, 9132), (3044, 6972), (3486, 6088), (3984, 5327), (4566, 4648)]