21000446968

素因数分解:

$2^3\times {\mathrm{7829}}^1\times {\mathrm{335299}}^1$

素因数の和:343134

約数の個数: 16

約数和(自身を含む): 39380985000

約数和(自身を除く): 18380538032

約数列:

[1, 2, 4, 8, 7829, 15658, 31316, 62632, 335299, 670598, 1341196, 2682392, 2625055871, 5250111742, 10500223484, 21000446968]

約数ペア:

[(1, 21000446968), (2, 10500223484), (4, 5250111742), (8, 2625055871), (7829, 2682392), (15658, 1341196), (31316, 670598), (62632, 335299)]