21519372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1063}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 57677312

約数和(自身を除く): 36157940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 241, 482, 723, 964, 1063, 1446, 1687, 2126, 2892, 3189, 3374, 4252, 5061, 6378, 6748, 7441, 10122, 12756, 14882, 20244, 22323, 29764, 44646, 89292, 256183, 512366, 768549, 1024732, 1537098, 1793281, 3074196, 3586562, 5379843, 7173124, 10759686, 21519372]

約数ペア:

[(1, 21519372), (2, 10759686), (3, 7173124), (4, 5379843), (6, 3586562), (7, 3074196), (12, 1793281), (14, 1537098), (21, 1024732), (28, 768549), (42, 512366), (84, 256183), (241, 89292), (482, 44646), (723, 29764), (964, 22323), (1063, 20244), (1446, 14882), (1687, 12756), (2126, 10122), (2892, 7441), (3189, 6748), (3374, 6378), (4252, 5061)]