21363174

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3943}}^1$

素因数の和:4001

約数の個数: 48

約数和(自身を含む): 54143232

約数和(自身を除く): 32780058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 3943, 5418, 7886, 11829, 23658, 27601, 35487, 55202, 70974, 82803, 165606, 169549, 248409, 339098, 496818, 508647, 1017294, 1186843, 1525941, 2373686, 3051882, 3560529, 7121058, 10681587, 21363174]

約数ペア:

[(1, 21363174), (2, 10681587), (3, 7121058), (6, 3560529), (7, 3051882), (9, 2373686), (14, 1525941), (18, 1186843), (21, 1017294), (42, 508647), (43, 496818), (63, 339098), (86, 248409), (126, 169549), (129, 165606), (258, 82803), (301, 70974), (387, 55202), (602, 35487), (774, 27601), (903, 23658), (1806, 11829), (2709, 7886), (3943, 5418)]