21143702

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5231}}^1$

素因数の和:5323

約数の個数: 16

約数和(自身を含む): 33149952

約数和(自身を除く): 12006250

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 5231, 10462, 224933, 245857, 449866, 491714, 10571851, 21143702]

約数ペア:

[(1, 21143702), (2, 10571851), (43, 491714), (47, 449866), (86, 245857), (94, 224933), (2021, 10462), (4042, 5231)]