21506096

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6823}}^1$

素因数の和:7028

約数の個数: 20

約数和(自身を含む): 41885712

約数和(自身を除く): 20379616

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6823, 13646, 27292, 54584, 109168, 1344131, 2688262, 5376524, 10753048, 21506096]

約数ペア:

[(1, 21506096), (2, 10753048), (4, 5376524), (8, 2688262), (16, 1344131), (197, 109168), (394, 54584), (788, 27292), (1576, 13646), (3152, 6823)]