21447412

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24709}}^1$

素因数の和:24751

約数の個数: 24

約数和(自身を含む): 44280320

約数和(自身を除く): 22832908

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24709, 49418, 98836, 172963, 345926, 691852, 765979, 1531958, 3063916, 5361853, 10723706, 21447412]

約数ペア:

[(1, 21447412), (2, 10723706), (4, 5361853), (7, 3063916), (14, 1531958), (28, 765979), (31, 691852), (62, 345926), (124, 172963), (217, 98836), (434, 49418), (868, 24709)]