21327420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355457}}^1$

素因数の和:355469

約数の個数: 24

約数和(自身を含む): 59716944

約数和(自身を除く): 38389524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355457, 710914, 1066371, 1421828, 1777285, 2132742, 3554570, 4265484, 5331855, 7109140, 10663710, 21327420]

約数ペア:

[(1, 21327420), (2, 10663710), (3, 7109140), (4, 5331855), (5, 4265484), (6, 3554570), (10, 2132742), (12, 1777285), (15, 1421828), (20, 1066371), (30, 710914), (60, 355457)]