21016398

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269441}}^1$

素因数の和:269459

約数の個数: 16

約数和(自身を含む): 45266256

約数和(自身を除く): 24249858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269441, 538882, 808323, 1616646, 3502733, 7005466, 10508199, 21016398]

約数ペア:

[(1, 21016398), (2, 10508199), (3, 7005466), (6, 3502733), (13, 1616646), (26, 808323), (39, 538882), (78, 269441)]