21574240

素因数分解:

$2^5\times 5^1\times {\mathrm{134839}}^1$

素因数の和:134854

約数の個数: 24

約数和(自身を含む): 50969520

約数和(自身を除く): 29395280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 134839, 269678, 539356, 674195, 1078712, 1348390, 2157424, 2696780, 4314848, 5393560, 10787120, 21574240]

約数ペア:

[(1, 21574240), (2, 10787120), (4, 5393560), (5, 4314848), (8, 2696780), (10, 2157424), (16, 1348390), (20, 1078712), (32, 674195), (40, 539356), (80, 269678), (160, 134839)]