21042330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1987}}^1$

素因数の和:2350

約数の個数: 32

約数和(自身を含む): 50670144

約数和(自身を除く): 29627814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 353, 706, 1059, 1765, 1987, 2118, 3530, 3974, 5295, 5961, 9935, 10590, 11922, 19870, 29805, 59610, 701411, 1402822, 2104233, 3507055, 4208466, 7014110, 10521165, 21042330]

約数ペア:

[(1, 21042330), (2, 10521165), (3, 7014110), (5, 4208466), (6, 3507055), (10, 2104233), (15, 1402822), (30, 701411), (353, 59610), (706, 29805), (1059, 19870), (1765, 11922), (1987, 10590), (2118, 9935), (3530, 5961), (3974, 5295)]