21509034

素因数分解:

$2^1\times 3^1\times {\mathrm{307}}^1\times {\mathrm{11677}}^1$

素因数の和:11989

約数の個数: 16

約数和(自身を含む): 43161888

約数和(自身を除く): 21652854

約数列:

[1, 2, 3, 6, 307, 614, 921, 1842, 11677, 23354, 35031, 70062, 3584839, 7169678, 10754517, 21509034]

約数ペア:

[(1, 21509034), (2, 10754517), (3, 7169678), (6, 3584839), (307, 70062), (614, 35031), (921, 23354), (1842, 11677)]