21087786

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2617}}^1$

素因数の和:2718

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 24151254

約数列:

[1, 2, 3, 6, 17, 34, 51, 79, 102, 158, 237, 474, 1343, 2617, 2686, 4029, 5234, 7851, 8058, 15702, 44489, 88978, 133467, 206743, 266934, 413486, 620229, 1240458, 3514631, 7029262, 10543893, 21087786]

約数ペア:

[(1, 21087786), (2, 10543893), (3, 7029262), (6, 3514631), (17, 1240458), (34, 620229), (51, 413486), (79, 266934), (102, 206743), (158, 133467), (237, 88978), (474, 44489), (1343, 15702), (2617, 8058), (2686, 7851), (4029, 5234)]