21984858

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19387}}^1$

素因数の和:19408

約数の個数: 40

約数和(自身を含む): 56302752

約数和(自身を除く): 34317894

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 19387, 38774, 58161, 116322, 135709, 174483, 271418, 348966, 407127, 523449, 814254, 1046898, 1221381, 1570347, 2442762, 3140694, 3664143, 7328286, 10992429, 21984858]

約数ペア:

[(1, 21984858), (2, 10992429), (3, 7328286), (6, 3664143), (7, 3140694), (9, 2442762), (14, 1570347), (18, 1221381), (21, 1046898), (27, 814254), (42, 523449), (54, 407127), (63, 348966), (81, 271418), (126, 174483), (162, 135709), (189, 116322), (378, 58161), (567, 38774), (1134, 19387)]