21973960

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{9311}}^1$

素因数の和:9381

約数の個数: 32

約数和(自身を含む): 50284800

約数和(自身を除く): 28310840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 9311, 18622, 37244, 46555, 74488, 93110, 186220, 372440, 549349, 1098698, 2197396, 2746745, 4394792, 5493490, 10986980, 21973960]

約数ペア:

[(1, 21973960), (2, 10986980), (4, 5493490), (5, 4394792), (8, 2746745), (10, 2197396), (20, 1098698), (40, 549349), (59, 372440), (118, 186220), (236, 93110), (295, 74488), (472, 46555), (590, 37244), (1180, 18622), (2360, 9311)]