21334360

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3083}}^1$

素因数の和:3267

約数の個数: 32

約数和(自身を含む): 48295440

約数和(自身を除く): 26961080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3083, 3460, 6166, 6920, 12332, 15415, 24664, 30830, 61660, 123320, 533359, 1066718, 2133436, 2666795, 4266872, 5333590, 10667180, 21334360]

約数ペア:

[(1, 21334360), (2, 10667180), (4, 5333590), (5, 4266872), (8, 2666795), (10, 2133436), (20, 1066718), (40, 533359), (173, 123320), (346, 61660), (692, 30830), (865, 24664), (1384, 15415), (1730, 12332), (3083, 6920), (3460, 6166)]