21888184

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{6823}}^1$

素因数の和:7230

約数の個数: 16

約数和(自身を含む): 41148720

約数和(自身を除く): 19260536

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 6823, 13646, 27292, 54584, 2736023, 5472046, 10944092, 21888184]

約数ペア:

[(1, 21888184), (2, 10944092), (4, 5472046), (8, 2736023), (401, 54584), (802, 27292), (1604, 13646), (3208, 6823)]