21839866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 14240774

約数列:

[1, 2, 17, 34, 47, 79, 94, 158, 173, 346, 799, 1343, 1598, 2686, 2941, 3713, 5882, 7426, 8131, 13667, 16262, 27334, 63121, 126242, 138227, 232339, 276454, 464678, 642349, 1284698, 10919933, 21839866]

約数ペア:

[(1, 21839866), (2, 10919933), (17, 1284698), (34, 642349), (47, 464678), (79, 276454), (94, 232339), (158, 138227), (173, 126242), (346, 63121), (799, 27334), (1343, 16262), (1598, 13667), (2686, 8131), (2941, 7426), (3713, 5882)]