16821296

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61843}}^1$

素因数の和:61868

約数の個数: 20

約数和(自身を含む): 34508952

約数和(自身を除く): 17687656

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 61843, 123686, 247372, 494744, 989488, 1051331, 2102662, 4205324, 8410648, 16821296]

約数ペア:

[(1, 16821296), (2, 8410648), (4, 4205324), (8, 2102662), (16, 1051331), (17, 989488), (34, 494744), (68, 247372), (136, 123686), (272, 61843)]