21405114

素因数分解:

$2^1\times 3^3\times {\mathrm{389}}^1\times {\mathrm{1019}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 47736000

約数和(自身を除く): 26330886

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389, 778, 1019, 1167, 2038, 2334, 3057, 3501, 6114, 7002, 9171, 10503, 18342, 21006, 27513, 55026, 396391, 792782, 1189173, 2378346, 3567519, 7135038, 10702557, 21405114]

約数ペア:

[(1, 21405114), (2, 10702557), (3, 7135038), (6, 3567519), (9, 2378346), (18, 1189173), (27, 792782), (54, 396391), (389, 55026), (778, 27513), (1019, 21006), (1167, 18342), (2038, 10503), (2334, 9171), (3057, 7002), (3501, 6114)]