21365862

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72673}}^1$

素因数の和:72692

約数の個数: 24

約数和(自身を含む): 49709016

約数和(自身を除く): 28343154

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72673, 145346, 218019, 436038, 508711, 1017422, 1526133, 3052266, 3560977, 7121954, 10682931, 21365862]

約数ペア:

[(1, 21365862), (2, 10682931), (3, 7121954), (6, 3560977), (7, 3052266), (14, 1526133), (21, 1017422), (42, 508711), (49, 436038), (98, 218019), (147, 145346), (294, 72673)]