19959990204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21601721}}^1$

素因数の和:21601746

約数の個数: 48

約数和(自身を含む): 58065428736

約数和(自身を除く): 38105438532

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 21601721, 43203442, 64805163, 86406884, 129610326, 151212047, 237618931, 259220652, 302424094, 453636141, 475237862, 604848188, 712856793, 907272282, 950475724, 1425713586, 1663332517, 1814544564, 2851427172, 3326665034, 4989997551, 6653330068, 9979995102, 19959990204]

約数ペア:

[(1, 19959990204), (2, 9979995102), (3, 6653330068), (4, 4989997551), (6, 3326665034), (7, 2851427172), (11, 1814544564), (12, 1663332517), (14, 1425713586), (21, 950475724), (22, 907272282), (28, 712856793), (33, 604848188), (42, 475237862), (44, 453636141), (66, 302424094), (77, 259220652), (84, 237618931), (132, 151212047), (154, 129610326), (231, 86406884), (308, 64805163), (462, 43203442), (924, 21601721)]