21580702

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 38685024

約数和(自身を除く): 17104322

約数列:

[1, 2, 11, 13, 22, 26, 61, 122, 143, 286, 671, 793, 1237, 1342, 1586, 2474, 8723, 13607, 16081, 17446, 27214, 32162, 75457, 150914, 176891, 353782, 830027, 980941, 1660054, 1961882, 10790351, 21580702]

約数ペア:

[(1, 21580702), (2, 10790351), (11, 1961882), (13, 1660054), (22, 980941), (26, 830027), (61, 353782), (122, 176891), (143, 150914), (286, 75457), (671, 32162), (793, 27214), (1237, 17446), (1342, 16081), (1586, 13607), (2474, 8723)]