21511798

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3407}}^1$

素因数の和:3468

約数の個数: 32

約数和(自身を含む): 41223168

約数和(自身を除く): 19711370

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 82, 154, 287, 451, 574, 902, 3157, 3407, 6314, 6814, 23849, 37477, 47698, 74954, 139687, 262339, 279374, 524678, 977809, 1536557, 1955618, 3073114, 10755899, 21511798]

約数ペア:

[(1, 21511798), (2, 10755899), (7, 3073114), (11, 1955618), (14, 1536557), (22, 977809), (41, 524678), (77, 279374), (82, 262339), (154, 139687), (287, 74954), (451, 47698), (574, 37477), (902, 23849), (3157, 6814), (3407, 6314)]