21014716820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2843}}^1\times {\mathrm{16069}}^1$

素因数の和:18944

約数の個数: 48

約数和(自身を含む): 46068704640

約数和(自身を除く): 25053987820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 2843, 5686, 11372, 14215, 16069, 28430, 32138, 56860, 64276, 65389, 80345, 130778, 160690, 261556, 321380, 326945, 369587, 653890, 739174, 1307780, 1478348, 1847935, 3695870, 7391740, 45684167, 91368334, 182736668, 228420835, 456841670, 913683340, 1050735841, 2101471682, 4202943364, 5253679205, 10507358410, 21014716820]

約数ペア:

[(1, 21014716820), (2, 10507358410), (4, 5253679205), (5, 4202943364), (10, 2101471682), (20, 1050735841), (23, 913683340), (46, 456841670), (92, 228420835), (115, 182736668), (230, 91368334), (460, 45684167), (2843, 7391740), (5686, 3695870), (11372, 1847935), (14215, 1478348), (16069, 1307780), (28430, 739174), (32138, 653890), (56860, 369587), (64276, 326945), (65389, 321380), (80345, 261556), (130778, 160690)]