21758216

素因数分解:

$2^3\times {\mathrm{1229}}^1\times {\mathrm{2213}}^1$

素因数の和:3448

約数の個数: 16

約数和(自身を含む): 40848300

約数和(自身を除く): 19090084

約数列:

[1, 2, 4, 8, 1229, 2213, 2458, 4426, 4916, 8852, 9832, 17704, 2719777, 5439554, 10879108, 21758216]

約数ペア:

[(1, 21758216), (2, 10879108), (4, 5439554), (8, 2719777), (1229, 17704), (2213, 9832), (2458, 8852), (4426, 4916)]