21213052

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24439}}^1$

素因数の和:24481

約数の個数: 24

約数和(自身を含む): 43796480

約数和(自身を除く): 22583428

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24439, 48878, 97756, 171073, 342146, 684292, 757609, 1515218, 3030436, 5303263, 10606526, 21213052]

約数ペア:

[(1, 21213052), (2, 10606526), (4, 5303263), (7, 3030436), (14, 1515218), (28, 757609), (31, 684292), (62, 342146), (124, 171073), (217, 97756), (434, 48878), (868, 24439)]