21559320412

素因数分解:

$2^2\times 7^1\times {\mathrm{2213}}^1\times {\mathrm{347933}}^1$

素因数の和:350157

約数の個数: 24

約数和(自身を含む): 43138249056

約数和(自身を除く): 21578928644

約数列:

[1, 2, 4, 7, 14, 28, 2213, 4426, 8852, 15491, 30982, 61964, 347933, 695866, 1391732, 2435531, 4871062, 9742124, 769975729, 1539951458, 3079902916, 5389830103, 10779660206, 21559320412]

約数ペア:

[(1, 21559320412), (2, 10779660206), (4, 5389830103), (7, 3079902916), (14, 1539951458), (28, 769975729), (2213, 9742124), (4426, 4871062), (8852, 2435531), (15491, 1391732), (30982, 695866), (61964, 347933)]