21231066070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2377499}}^1$

素因数の和:2377572

約数の個数: 32

約数和(自身を含む): 41083200000

約数和(自身を除く): 19852133930

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 2377499, 4754998, 11887495, 23774990, 45172481, 90344962, 111742453, 223484906, 225862405, 451724810, 558712265, 1117424530, 2123106607, 4246213214, 10615533035, 21231066070]

約数ペア:

[(1, 21231066070), (2, 10615533035), (5, 4246213214), (10, 2123106607), (19, 1117424530), (38, 558712265), (47, 451724810), (94, 225862405), (95, 223484906), (190, 111742453), (235, 90344962), (470, 45172481), (893, 23774990), (1786, 11887495), (4465, 4754998), (8930, 2377499)]