21613128

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13441}}^1$

素因数の和:13517

約数の個数: 32

約数和(自身を含む): 54843360

約数和(自身を除く): 33230232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13441, 26882, 40323, 53764, 80646, 107528, 161292, 322584, 900547, 1801094, 2701641, 3602188, 5403282, 7204376, 10806564, 21613128]

約数ペア:

[(1, 21613128), (2, 10806564), (3, 7204376), (4, 5403282), (6, 3602188), (8, 2701641), (12, 1801094), (24, 900547), (67, 322584), (134, 161292), (201, 107528), (268, 80646), (402, 53764), (536, 40323), (804, 26882), (1608, 13441)]