21577101

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1613}}^1$

素因数の和:1650

約数の個数: 32

約数和(自身を含む): 36153600

約数和(自身を除く): 14576499

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1613, 1911, 4459, 4839, 11291, 13377, 20969, 33873, 62907, 79037, 146783, 237111, 440349, 553259, 1027481, 1659777, 3082443, 7192367, 21577101]

約数ペア:

[(1, 21577101), (3, 7192367), (7, 3082443), (13, 1659777), (21, 1027481), (39, 553259), (49, 440349), (91, 237111), (147, 146783), (273, 79037), (343, 62907), (637, 33873), (1029, 20969), (1613, 13377), (1911, 11291), (4459, 4839)]