21000481516

素因数分解:

$2^2\times 7^1\times {\mathrm{3643}}^1\times {\mathrm{205879}}^1$

素因数の和:209533

約数の個数: 24

約数和(自身を含む): 42012696320

約数和(自身を除く): 21012214804

約数列:

[1, 2, 4, 7, 14, 28, 3643, 7286, 14572, 25501, 51002, 102004, 205879, 411758, 823516, 1441153, 2882306, 5764612, 750017197, 1500034394, 3000068788, 5250120379, 10500240758, 21000481516]

約数ペア:

[(1, 21000481516), (2, 10500240758), (4, 5250120379), (7, 3000068788), (14, 1500034394), (28, 750017197), (3643, 5764612), (7286, 2882306), (14572, 1441153), (25501, 823516), (51002, 411758), (102004, 205879)]