21072464

素因数分解:

$2^4\times 7^1\times {\mathrm{188147}}^1$

素因数の和:188162

約数の個数: 20

約数和(自身を含む): 46660704

約数和(自身を除く): 25588240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188147, 376294, 752588, 1317029, 1505176, 2634058, 3010352, 5268116, 10536232, 21072464]

約数ペア:

[(1, 21072464), (2, 10536232), (4, 5268116), (7, 3010352), (8, 2634058), (14, 1505176), (16, 1317029), (28, 752588), (56, 376294), (112, 188147)]