21781570702

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13980469}}^1$

素因数の和:13980531

約数の個数: 16

約数和(自身を含む): 35230784400

約数和(自身を除く): 13449213698

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13980469, 27960938, 265628911, 531257822, 573199229, 1146398458, 10890785351, 21781570702]

約数ペア:

[(1, 21781570702), (2, 10890785351), (19, 1146398458), (38, 573199229), (41, 531257822), (82, 265628911), (779, 27960938), (1558, 13980469)]