21152802790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15904363}}^1$

素因数の和:15904396

約数の個数: 32

約数和(自身を含む): 45804568320

約数和(自身を除く): 24651765530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15904363, 31808726, 79521815, 111330541, 159043630, 222661082, 302182897, 556652705, 604365794, 1113305410, 1510914485, 2115280279, 3021828970, 4230560558, 10576401395, 21152802790]

約数ペア:

[(1, 21152802790), (2, 10576401395), (5, 4230560558), (7, 3021828970), (10, 2115280279), (14, 1510914485), (19, 1113305410), (35, 604365794), (38, 556652705), (70, 302182897), (95, 222661082), (133, 159043630), (190, 111330541), (266, 79521815), (665, 31808726), (1330, 15904363)]