21365154

素因数分解:

$2^1\times 3^3\times {\mathrm{173}}^1\times {\mathrm{2287}}^1$

素因数の和:2471

約数の個数: 32

約数和(自身を含む): 47773440

約数和(自身を除く): 26408286

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 173, 346, 519, 1038, 1557, 2287, 3114, 4574, 4671, 6861, 9342, 13722, 20583, 41166, 61749, 123498, 395651, 791302, 1186953, 2373906, 3560859, 7121718, 10682577, 21365154]

約数ペア:

[(1, 21365154), (2, 10682577), (3, 7121718), (6, 3560859), (9, 2373906), (18, 1186953), (27, 791302), (54, 395651), (173, 123498), (346, 61749), (519, 41166), (1038, 20583), (1557, 13722), (2287, 9342), (3114, 6861), (4574, 4671)]