21086475310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1563119}}^1$

素因数の和:1563216

約数の個数: 32

約数和(自身を含む): 40516070400

約数和(自身を除く): 19429595090

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 1563119, 3126238, 7815595, 15631190, 29699261, 59398522, 110981449, 148496305, 221962898, 296992610, 554907245, 1109814490, 2108647531, 4217295062, 10543237655, 21086475310]

約数ペア:

[(1, 21086475310), (2, 10543237655), (5, 4217295062), (10, 2108647531), (19, 1109814490), (38, 554907245), (71, 296992610), (95, 221962898), (142, 148496305), (190, 110981449), (355, 59398522), (710, 29699261), (1349, 15631190), (2698, 7815595), (6745, 3126238), (13490, 1563119)]