21366716

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40163}}^1$

素因数の和:40193

約数の個数: 24

約数和(自身を含む): 44983680

約数和(自身を除く): 23616964

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40163, 80326, 160652, 281141, 562282, 763097, 1124564, 1526194, 3052388, 5341679, 10683358, 21366716]

約数ペア:

[(1, 21366716), (2, 10683358), (4, 5341679), (7, 3052388), (14, 1526194), (19, 1124564), (28, 763097), (38, 562282), (76, 281141), (133, 160652), (266, 80326), (532, 40163)]