21079175055

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1\times {\mathrm{25219}}^1$

素因数の和:25871

約数の個数: 32

約数和(自身を含む): 34118423040

約数和(自身を除く): 13039247985

約数列:

[1, 3, 5, 15, 103, 309, 515, 541, 1545, 1623, 2705, 8115, 25219, 55723, 75657, 126095, 167169, 278615, 378285, 835845, 2597557, 7792671, 12987785, 13643479, 38963355, 40930437, 68217395, 204652185, 1405278337, 4215835011, 7026391685, 21079175055]

約数ペア:

[(1, 21079175055), (3, 7026391685), (5, 4215835011), (15, 1405278337), (103, 204652185), (309, 68217395), (515, 40930437), (541, 38963355), (1545, 13643479), (1623, 12987785), (2705, 7792671), (8115, 2597557), (25219, 835845), (55723, 378285), (75657, 278615), (126095, 167169)]