21710363984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71415671}}^1$

素因数の和:71415698

約数の個数: 20

約数和(自身を含む): 44277716640

約数和(自身を除く): 22567352656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71415671, 142831342, 285662684, 571325368, 1142650736, 1356897749, 2713795498, 5427590996, 10855181992, 21710363984]

約数ペア:

[(1, 21710363984), (2, 10855181992), (4, 5427590996), (8, 2713795498), (16, 1356897749), (19, 1142650736), (38, 571325368), (76, 285662684), (152, 142831342), (304, 71415671)]