21395544

素因数分解:

$2^3\times 3^1\times {\mathrm{891481}}^1$

素因数の和:891490

約数の個数: 16

約数和(自身を含む): 53488920

約数和(自身を除く): 32093376

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 891481, 1782962, 2674443, 3565924, 5348886, 7131848, 10697772, 21395544]

約数ペア:

[(1, 21395544), (2, 10697772), (3, 7131848), (4, 5348886), (6, 3565924), (8, 2674443), (12, 1782962), (24, 891481)]