21315912

素因数分解:

$2^3\times 3^1\times {\mathrm{888163}}^1$

素因数の和:888172

約数の個数: 16

約数和(自身を含む): 53289840

約数和(自身を除く): 31973928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 888163, 1776326, 2664489, 3552652, 5328978, 7105304, 10657956, 21315912]

約数ペア:

[(1, 21315912), (2, 10657956), (3, 7105304), (4, 5328978), (6, 3552652), (8, 2664489), (12, 1776326), (24, 888163)]