21517926

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{647}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 45163008

約数和(自身を除く): 23645082

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 241, 482, 647, 723, 1294, 1446, 1941, 3882, 5543, 11086, 14881, 16629, 29762, 33258, 44643, 89286, 155927, 311854, 467781, 935562, 3586321, 7172642, 10758963, 21517926]

約数ペア:

[(1, 21517926), (2, 10758963), (3, 7172642), (6, 3586321), (23, 935562), (46, 467781), (69, 311854), (138, 155927), (241, 89286), (482, 44643), (647, 33258), (723, 29762), (1294, 16629), (1446, 14881), (1941, 11086), (3882, 5543)]