21453808

素因数分解:

$2^4\times {\mathrm{47}}^2\times {\mathrm{607}}^1$

素因数の和:709

約数の個数: 30

約数和(自身を含む): 42539936

約数和(自身を除く): 21086128

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 607, 752, 1214, 2209, 2428, 4418, 4856, 8836, 9712, 17672, 28529, 35344, 57058, 114116, 228232, 456464, 1340863, 2681726, 5363452, 10726904, 21453808]

約数ペア:

[(1, 21453808), (2, 10726904), (4, 5363452), (8, 2681726), (16, 1340863), (47, 456464), (94, 228232), (188, 114116), (376, 57058), (607, 35344), (752, 28529), (1214, 17672), (2209, 9712), (2428, 8836), (4418, 4856)]