21368904

素因数分解:

$2^3\times 3^1\times {\mathrm{890371}}^1$

素因数の和:890380

約数の個数: 16

約数和(自身を含む): 53422320

約数和(自身を除く): 32053416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 890371, 1780742, 2671113, 3561484, 5342226, 7122968, 10684452, 21368904]

約数ペア:

[(1, 21368904), (2, 10684452), (3, 7122968), (4, 5342226), (6, 3561484), (8, 2671113), (12, 1780742), (24, 890371)]