21746439

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 37643424

約数和(自身を除く): 15896985

約数列:

[1, 3, 9, 11, 13, 33, 39, 61, 99, 117, 143, 183, 277, 429, 549, 671, 793, 831, 1287, 2013, 2379, 2493, 3047, 3601, 6039, 7137, 8723, 9141, 10803, 16897, 26169, 27423, 32409, 39611, 50691, 78507, 118833, 152073, 185867, 219661, 356499, 557601, 658983, 1672803, 1976949, 2416271, 7248813, 21746439]

約数ペア:

[(1, 21746439), (3, 7248813), (9, 2416271), (11, 1976949), (13, 1672803), (33, 658983), (39, 557601), (61, 356499), (99, 219661), (117, 185867), (143, 152073), (183, 118833), (277, 78507), (429, 50691), (549, 39611), (671, 32409), (793, 27423), (831, 26169), (1287, 16897), (2013, 10803), (2379, 9141), (2493, 8723), (3047, 7137), (3601, 6039)]