21579824

素因数分解:

$2^4\times 7^1\times {\mathrm{192677}}^1$

素因数の和:192692

約数の個数: 20

約数和(自身を含む): 47784144

約数和(自身を除く): 26204320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192677, 385354, 770708, 1348739, 1541416, 2697478, 3082832, 5394956, 10789912, 21579824]

約数ペア:

[(1, 21579824), (2, 10789912), (4, 5394956), (7, 3082832), (8, 2697478), (14, 1541416), (16, 1348739), (28, 770708), (56, 385354), (112, 192677)]