21058338

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1747}}^1$

素因数の和:1807

約数の個数: 48

約数和(自身を含む): 50216544

約数和(自身を除く): 29158206

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 246, 287, 294, 574, 861, 1722, 1747, 2009, 3494, 4018, 5241, 6027, 10482, 12054, 12229, 24458, 36687, 71627, 73374, 85603, 143254, 171206, 214881, 256809, 429762, 501389, 513618, 1002778, 1504167, 3008334, 3509723, 7019446, 10529169, 21058338]

約数ペア:

[(1, 21058338), (2, 10529169), (3, 7019446), (6, 3509723), (7, 3008334), (14, 1504167), (21, 1002778), (41, 513618), (42, 501389), (49, 429762), (82, 256809), (98, 214881), (123, 171206), (147, 143254), (246, 85603), (287, 73374), (294, 71627), (574, 36687), (861, 24458), (1722, 12229), (1747, 12054), (2009, 10482), (3494, 6027), (4018, 5241)]