21953072

素因数分解:

$2^4\times {\mathrm{919}}^1\times {\mathrm{1493}}^1$

素因数の和:2420

約数の個数: 20

約数和(自身を含む): 42608880

約数和(自身を除く): 20655808

約数列:

[1, 2, 4, 8, 16, 919, 1493, 1838, 2986, 3676, 5972, 7352, 11944, 14704, 23888, 1372067, 2744134, 5488268, 10976536, 21953072]

約数ペア:

[(1, 21953072), (2, 10976536), (4, 5488268), (8, 2744134), (16, 1372067), (919, 23888), (1493, 14704), (1838, 11944), (2986, 7352), (3676, 5972)]