21523172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{3001}}^1$

素因数の和:3179

約数の個数: 24

約数和(自身を含む): 41355552

約数和(自身を除く): 19832380

約数列:

[1, 2, 4, 11, 22, 44, 163, 326, 652, 1793, 3001, 3586, 6002, 7172, 12004, 33011, 66022, 132044, 489163, 978326, 1956652, 5380793, 10761586, 21523172]

約数ペア:

[(1, 21523172), (2, 10761586), (4, 5380793), (11, 1956652), (22, 978326), (44, 489163), (163, 132044), (326, 66022), (652, 33011), (1793, 12004), (3001, 7172), (3586, 6002)]