21387894

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{599}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 46828800

約数和(自身を除く): 25440906

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 541, 599, 1082, 1198, 1623, 1797, 3246, 3594, 5951, 6589, 11902, 13178, 17853, 19767, 35706, 39534, 324059, 648118, 972177, 1944354, 3564649, 7129298, 10693947, 21387894]

約数ペア:

[(1, 21387894), (2, 10693947), (3, 7129298), (6, 3564649), (11, 1944354), (22, 972177), (33, 648118), (66, 324059), (541, 39534), (599, 35706), (1082, 19767), (1198, 17853), (1623, 13178), (1797, 11902), (3246, 6589), (3594, 5951)]