21285912

素因数分解:

$2^3\times 3^1\times {\mathrm{886913}}^1$

素因数の和:886922

約数の個数: 16

約数和(自身を含む): 53214840

約数和(自身を除く): 31928928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 886913, 1773826, 2660739, 3547652, 5321478, 7095304, 10642956, 21285912]

約数ペア:

[(1, 21285912), (2, 10642956), (3, 7095304), (4, 5321478), (6, 3547652), (8, 2660739), (12, 1773826), (24, 886913)]