21121758

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{167633}}^1$

素因数の和:167648

約数の個数: 24

約数和(自身を含む): 52301808

約数和(自身を除く): 31180050

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 167633, 335266, 502899, 1005798, 1173431, 1508697, 2346862, 3017394, 3520293, 7040586, 10560879, 21121758]

約数ペア:

[(1, 21121758), (2, 10560879), (3, 7040586), (6, 3520293), (7, 3017394), (9, 2346862), (14, 1508697), (18, 1173431), (21, 1005798), (42, 502899), (63, 335266), (126, 167633)]