21089328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33797}}^1$

素因数の和:33821

約数の個数: 40

約数和(自身を含む): 58673328

約数和(自身を除く): 37584000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33797, 67594, 101391, 135188, 202782, 270376, 405564, 439361, 540752, 811128, 878722, 1318083, 1622256, 1757444, 2636166, 3514888, 5272332, 7029776, 10544664, 21089328]

約数ペア:

[(1, 21089328), (2, 10544664), (3, 7029776), (4, 5272332), (6, 3514888), (8, 2636166), (12, 1757444), (13, 1622256), (16, 1318083), (24, 878722), (26, 811128), (39, 540752), (48, 439361), (52, 405564), (78, 270376), (104, 202782), (156, 135188), (208, 101391), (312, 67594), (624, 33797)]