21964290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8821}}^1$

素因数の和:8914

約数の個数: 32

約数和(自身を含む): 53355456

約数和(自身を除く): 31391166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8821, 17642, 26463, 44105, 52926, 88210, 132315, 264630, 732143, 1464286, 2196429, 3660715, 4392858, 7321430, 10982145, 21964290]

約数ペア:

[(1, 21964290), (2, 10982145), (3, 7321430), (5, 4392858), (6, 3660715), (10, 2196429), (15, 1464286), (30, 732143), (83, 264630), (166, 132315), (249, 88210), (415, 52926), (498, 44105), (830, 26463), (1245, 17642), (2490, 8821)]