21374774

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 24

約数和(自身を含む): 34042680

約数和(自身を除く): 12667906

約数列:

[1, 2, 23, 46, 89, 178, 227, 454, 529, 1058, 2047, 4094, 5221, 10442, 20203, 40406, 47081, 94162, 120083, 240166, 464669, 929338, 10687387, 21374774]

約数ペア:

[(1, 21374774), (2, 10687387), (23, 929338), (46, 464669), (89, 240166), (178, 120083), (227, 94162), (454, 47081), (529, 40406), (1058, 20203), (2047, 10442), (4094, 5221)]