21902360

素因数分解:

$2^3\times 5^1\times {\mathrm{547559}}^1$

素因数の和:547570

約数の個数: 16

約数和(自身を含む): 49280400

約数和(自身を除く): 27378040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547559, 1095118, 2190236, 2737795, 4380472, 5475590, 10951180, 21902360]

約数ペア:

[(1, 21902360), (2, 10951180), (4, 5475590), (5, 4380472), (8, 2737795), (10, 2190236), (20, 1095118), (40, 547559)]