21770168

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6373}}^1$

素因数の和:6447

約数の個数: 32

約数和(自身を含む): 47422560

約数和(自身を除く): 25652392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 6373, 12746, 25492, 44611, 50984, 89222, 178444, 356888, 388753, 777506, 1555012, 2721271, 3110024, 5442542, 10885084, 21770168]

約数ペア:

[(1, 21770168), (2, 10885084), (4, 5442542), (7, 3110024), (8, 2721271), (14, 1555012), (28, 777506), (56, 388753), (61, 356888), (122, 178444), (244, 89222), (427, 50984), (488, 44611), (854, 25492), (1708, 12746), (3416, 6373)]