21085496

素因数分解:

$2^3\times {\mathrm{631}}^1\times {\mathrm{4177}}^1$

素因数の和:4814

約数の個数: 16

約数和(自身を含む): 39607440

約数和(自身を除く): 18521944

約数列:

[1, 2, 4, 8, 631, 1262, 2524, 4177, 5048, 8354, 16708, 33416, 2635687, 5271374, 10542748, 21085496]

約数ペア:

[(1, 21085496), (2, 10542748), (4, 5271374), (8, 2635687), (631, 33416), (1262, 16708), (2524, 8354), (4177, 5048)]