21543888

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3229}}^1$

素因数の和:3379

約数の個数: 40

約数和(自身を含む): 56072800

約数和(自身を除く): 34528912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3229, 3336, 6458, 6672, 9687, 12916, 19374, 25832, 38748, 51664, 77496, 154992, 448831, 897662, 1346493, 1795324, 2692986, 3590648, 5385972, 7181296, 10771944, 21543888]

約数ペア:

[(1, 21543888), (2, 10771944), (3, 7181296), (4, 5385972), (6, 3590648), (8, 2692986), (12, 1795324), (16, 1346493), (24, 897662), (48, 448831), (139, 154992), (278, 77496), (417, 51664), (556, 38748), (834, 25832), (1112, 19374), (1668, 12916), (2224, 9687), (3229, 6672), (3336, 6458)]