21185586

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37967}}^1$

素因数の和:38006

約数の個数: 24

約数和(自身を含む): 47384064

約数和(自身を除く): 26198478

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 37967, 75934, 113901, 227802, 341703, 683406, 1176977, 2353954, 3530931, 7061862, 10592793, 21185586]

約数ペア:

[(1, 21185586), (2, 10592793), (3, 7061862), (6, 3530931), (9, 2353954), (18, 1176977), (31, 683406), (62, 341703), (93, 227802), (186, 113901), (279, 75934), (558, 37967)]