21946785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1061}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 40372992

約数和(自身を除く): 18426207

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 985, 1061, 1379, 2955, 3183, 4137, 5305, 6895, 7427, 15915, 20685, 22281, 37135, 111405, 209017, 627051, 1045085, 1463119, 3135255, 4389357, 7315595, 21946785]

約数ペア:

[(1, 21946785), (3, 7315595), (5, 4389357), (7, 3135255), (15, 1463119), (21, 1045085), (35, 627051), (105, 209017), (197, 111405), (591, 37135), (985, 22281), (1061, 20685), (1379, 15915), (2955, 7427), (3183, 6895), (4137, 5305)]