21022614

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 47176272

約数和(自身を除く): 26153658

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 157, 173, 258, 314, 346, 387, 471, 519, 774, 942, 1038, 1413, 1557, 2826, 3114, 6751, 7439, 13502, 14878, 20253, 22317, 27161, 40506, 44634, 54322, 60759, 66951, 81483, 121518, 133902, 162966, 244449, 488898, 1167923, 2335846, 3503769, 7007538, 10511307, 21022614]

約数ペア:

[(1, 21022614), (2, 10511307), (3, 7007538), (6, 3503769), (9, 2335846), (18, 1167923), (43, 488898), (86, 244449), (129, 162966), (157, 133902), (173, 121518), (258, 81483), (314, 66951), (346, 60759), (387, 54322), (471, 44634), (519, 40506), (774, 27161), (942, 22317), (1038, 20253), (1413, 14878), (1557, 13502), (2826, 7439), (3114, 6751)]