21914080

素因数分解:

$2^5\times 5^1\times {\mathrm{136963}}^1$

素因数の和:136978

約数の個数: 24

約数和(自身を含む): 51772392

約数和(自身を除く): 29858312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136963, 273926, 547852, 684815, 1095704, 1369630, 2191408, 2739260, 4382816, 5478520, 10957040, 21914080]

約数ペア:

[(1, 21914080), (2, 10957040), (4, 5478520), (5, 4382816), (8, 2739260), (10, 2191408), (16, 1369630), (20, 1095704), (32, 684815), (40, 547852), (80, 273926), (160, 136963)]