21862020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8887}}^1$

素因数の和:8940

約数の個数: 48

約数和(自身を含む): 62713728

約数和(自身を除く): 40851708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8887, 17774, 26661, 35548, 44435, 53322, 88870, 106644, 133305, 177740, 266610, 364367, 533220, 728734, 1093101, 1457468, 1821835, 2186202, 3643670, 4372404, 5465505, 7287340, 10931010, 21862020]

約数ペア:

[(1, 21862020), (2, 10931010), (3, 7287340), (4, 5465505), (5, 4372404), (6, 3643670), (10, 2186202), (12, 1821835), (15, 1457468), (20, 1093101), (30, 728734), (41, 533220), (60, 364367), (82, 266610), (123, 177740), (164, 133305), (205, 106644), (246, 88870), (410, 53322), (492, 44435), (615, 35548), (820, 26661), (1230, 17774), (2460, 8887)]