21901136

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{5051}}^1$

素因数の和:5330

約数の個数: 20

約数和(自身を含む): 42598464

約数和(自身を除く): 20697328

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 5051, 10102, 20204, 40408, 80816, 1368821, 2737642, 5475284, 10950568, 21901136]

約数ペア:

[(1, 21901136), (2, 10950568), (4, 5475284), (8, 2737642), (16, 1368821), (271, 80816), (542, 40408), (1084, 20204), (2168, 10102), (4336, 5051)]