21000587524

素因数分解:

$2^2\times 7^1\times {\mathrm{4493}}^1\times {\mathrm{166931}}^1$

素因数の和:171435

約数の個数: 24

約数和(自身を含む): 42010774848

約数和(自身を除く): 21010187324

約数列:

[1, 2, 4, 7, 14, 28, 4493, 8986, 17972, 31451, 62902, 125804, 166931, 333862, 667724, 1168517, 2337034, 4674068, 750020983, 1500041966, 3000083932, 5250146881, 10500293762, 21000587524]

約数ペア:

[(1, 21000587524), (2, 10500293762), (4, 5250146881), (7, 3000083932), (14, 1500041966), (28, 750020983), (4493, 4674068), (8986, 2337034), (17972, 1168517), (31451, 667724), (62902, 333862), (125804, 166931)]