21292088

素因数分解:

$2^3\times {\mathrm{971}}^1\times {\mathrm{2741}}^1$

素因数の和:3718

約数の個数: 16

約数和(自身を含む): 39978360

約数和(自身を除く): 18686272

約数列:

[1, 2, 4, 8, 971, 1942, 2741, 3884, 5482, 7768, 10964, 21928, 2661511, 5323022, 10646044, 21292088]

約数ペア:

[(1, 21292088), (2, 10646044), (4, 5323022), (8, 2661511), (971, 21928), (1942, 10964), (2741, 7768), (3884, 5482)]