21768076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15959}}^1$

素因数の和:16005

約数の個数: 24

約数和(自身を含む): 42900480

約数和(自身を除く): 21132404

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15959, 31918, 63836, 175549, 351098, 494729, 702196, 989458, 1978916, 5442019, 10884038, 21768076]

約数ペア:

[(1, 21768076), (2, 10884038), (4, 5442019), (11, 1978916), (22, 989458), (31, 702196), (44, 494729), (62, 351098), (124, 175549), (341, 63836), (682, 31918), (1364, 15959)]