21167690090

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{881}}^1\times {\mathrm{23789}}^1$

素因数の和:24778

約数の個数: 32

約数和(自身を含む): 38524384080

約数和(自身を除く): 17356693990

約数列:

[1, 2, 5, 10, 101, 202, 505, 881, 1010, 1762, 4405, 8810, 23789, 47578, 88981, 118945, 177962, 237890, 444905, 889810, 2402689, 4805378, 12013445, 20958109, 24026890, 41916218, 104790545, 209581090, 2116769009, 4233538018, 10583845045, 21167690090]

約数ペア:

[(1, 21167690090), (2, 10583845045), (5, 4233538018), (10, 2116769009), (101, 209581090), (202, 104790545), (505, 41916218), (881, 24026890), (1010, 20958109), (1762, 12013445), (4405, 4805378), (8810, 2402689), (23789, 889810), (47578, 444905), (88981, 237890), (118945, 177962)]