21363862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 35858592

約数和(自身を除く): 14494730

約数列:

[1, 2, 13, 26, 43, 86, 97, 194, 197, 394, 559, 1118, 1261, 2522, 2561, 4171, 5122, 8342, 8471, 16942, 19109, 38218, 54223, 108446, 110123, 220246, 248417, 496834, 821687, 1643374, 10681931, 21363862]

約数ペア:

[(1, 21363862), (2, 10681931), (13, 1643374), (26, 821687), (43, 496834), (86, 248417), (97, 220246), (194, 110123), (197, 108446), (394, 54223), (559, 38218), (1118, 19109), (1261, 16942), (2522, 8471), (2561, 8342), (4171, 5122)]