21263669265

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{972943}}^1$

素因数の和:973029

約数の個数: 32

約数和(自身を含む): 35866607616

約数和(自身を除く): 14602938351

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 1457, 4371, 7285, 21855, 972943, 2918829, 4864715, 14594145, 30161233, 45728321, 90483699, 137184963, 150806165, 228641605, 452418495, 685924815, 1417577951, 4252733853, 7087889755, 21263669265]

約数ペア:

[(1, 21263669265), (3, 7087889755), (5, 4252733853), (15, 1417577951), (31, 685924815), (47, 452418495), (93, 228641605), (141, 150806165), (155, 137184963), (235, 90483699), (465, 45728321), (705, 30161233), (1457, 14594145), (4371, 4864715), (7285, 2918829), (21855, 972943)]