21600215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1637}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 11421865

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1637, 1885, 2639, 8185, 11459, 13195, 21281, 47473, 57295, 106405, 148967, 237365, 332311, 617149, 744835, 1661555, 3085745, 4320043, 21600215]

約数ペア:

[(1, 21600215), (5, 4320043), (7, 3085745), (13, 1661555), (29, 744835), (35, 617149), (65, 332311), (91, 237365), (145, 148967), (203, 106405), (377, 57295), (455, 47473), (1015, 21281), (1637, 13195), (1885, 11459), (2639, 8185)]