21215604

素因数分解:

$2^2\times 3^1\times {\mathrm{127}}^1\times {\mathrm{13921}}^1$

素因数の和:14055

約数の個数: 24

約数和(自身を含む): 49896448

約数和(自身を除く): 28680844

約数列:

[1, 2, 3, 4, 6, 12, 127, 254, 381, 508, 762, 1524, 13921, 27842, 41763, 55684, 83526, 167052, 1767967, 3535934, 5303901, 7071868, 10607802, 21215604]

約数ペア:

[(1, 21215604), (2, 10607802), (3, 7071868), (4, 5303901), (6, 3535934), (12, 1767967), (127, 167052), (254, 83526), (381, 55684), (508, 41763), (762, 27842), (1524, 13921)]