21118824

素因数分解:

$2^3\times 3^2\times {\mathrm{137}}^1\times {\mathrm{2141}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 57641220

約数和(自身を除く): 36522396

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 137, 274, 411, 548, 822, 1096, 1233, 1644, 2141, 2466, 3288, 4282, 4932, 6423, 8564, 9864, 12846, 17128, 19269, 25692, 38538, 51384, 77076, 154152, 293317, 586634, 879951, 1173268, 1759902, 2346536, 2639853, 3519804, 5279706, 7039608, 10559412, 21118824]

約数ペア:

[(1, 21118824), (2, 10559412), (3, 7039608), (4, 5279706), (6, 3519804), (8, 2639853), (9, 2346536), (12, 1759902), (18, 1173268), (24, 879951), (36, 586634), (72, 293317), (137, 154152), (274, 77076), (411, 51384), (548, 38538), (822, 25692), (1096, 19269), (1233, 17128), (1644, 12846), (2141, 9864), (2466, 8564), (3288, 6423), (4282, 4932)]