21018962104

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1427143}}^1$

素因数の和:1427419

約数の個数: 32

約数和(自身を含む): 45211921920

約数和(自身を除く): 24192959816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1841, 2104, 3682, 7364, 14728, 1427143, 2854286, 5708572, 9990001, 11417144, 19980002, 39960004, 79920008, 375338609, 750677218, 1501354436, 2627370263, 3002708872, 5254740526, 10509481052, 21018962104]

約数ペア:

[(1, 21018962104), (2, 10509481052), (4, 5254740526), (7, 3002708872), (8, 2627370263), (14, 1501354436), (28, 750677218), (56, 375338609), (263, 79920008), (526, 39960004), (1052, 19980002), (1841, 11417144), (2104, 9990001), (3682, 5708572), (7364, 2854286), (14728, 1427143)]