21403590908

素因数分解:

$2^2\times 7^1\times {\mathrm{4831}}^1\times {\mathrm{158231}}^1$

素因数の和:163073

約数の個数: 24

約数和(自身を含む): 42816313344

約数和(自身を除く): 21412722436

約数列:

[1, 2, 4, 7, 14, 28, 4831, 9662, 19324, 33817, 67634, 135268, 158231, 316462, 632924, 1107617, 2215234, 4430468, 764413961, 1528827922, 3057655844, 5350897727, 10701795454, 21403590908]

約数ペア:

[(1, 21403590908), (2, 10701795454), (4, 5350897727), (7, 3057655844), (14, 1528827922), (28, 764413961), (4831, 4430468), (9662, 2215234), (19324, 1107617), (33817, 632924), (67634, 316462), (135268, 158231)]