21385854

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{24247}}^1$

素因数の和:24269

約数の個数: 36

約数和(自身を含む): 53903304

約数和(自身を除く): 32517450

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 24247, 48494, 72741, 145482, 169729, 218223, 339458, 436446, 509187, 1018374, 1188103, 1527561, 2376206, 3055122, 3564309, 7128618, 10692927, 21385854]

約数ペア:

[(1, 21385854), (2, 10692927), (3, 7128618), (6, 3564309), (7, 3055122), (9, 2376206), (14, 1527561), (18, 1188103), (21, 1018374), (42, 509187), (49, 436446), (63, 339458), (98, 218223), (126, 169729), (147, 145482), (294, 72741), (441, 48494), (882, 24247)]