21167368856

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{153449}}^1$

素因数の和:153899

約数の個数: 32

約数和(自身を含む): 40713354000

約数和(自身を除く): 19545985144

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 401, 802, 1604, 3208, 17243, 34486, 68972, 137944, 153449, 306898, 613796, 1227592, 6598307, 13196614, 26393228, 52786456, 61533049, 123066098, 246132196, 492264392, 2645921107, 5291842214, 10583684428, 21167368856]

約数ペア:

[(1, 21167368856), (2, 10583684428), (4, 5291842214), (8, 2645921107), (43, 492264392), (86, 246132196), (172, 123066098), (344, 61533049), (401, 52786456), (802, 26393228), (1604, 13196614), (3208, 6598307), (17243, 1227592), (34486, 613796), (68972, 306898), (137944, 153449)]