21627956

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24917}}^1$

素因数の和:24959

約数の個数: 24

約数和(自身を含む): 44653056

約数和(自身を除く): 23025100

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24917, 49834, 99668, 174419, 348838, 697676, 772427, 1544854, 3089708, 5406989, 10813978, 21627956]

約数ペア:

[(1, 21627956), (2, 10813978), (4, 5406989), (7, 3089708), (14, 1544854), (28, 772427), (31, 697676), (62, 348838), (124, 174419), (217, 99668), (434, 49834), (868, 24917)]