21775016158

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1341983}}^1$

素因数の和:1342072

約数の個数: 32

約数和(自身を含む): 39937443840

約数和(自身を除く): 18162427682

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 266, 427, 854, 1159, 2318, 8113, 16226, 1341983, 2683966, 9393881, 18787762, 25497677, 50995354, 81860963, 163721926, 178483739, 356967478, 573026741, 1146053482, 1555358297, 3110716594, 10887508079, 21775016158]

約数ペア:

[(1, 21775016158), (2, 10887508079), (7, 3110716594), (14, 1555358297), (19, 1146053482), (38, 573026741), (61, 356967478), (122, 178483739), (133, 163721926), (266, 81860963), (427, 50995354), (854, 25497677), (1159, 18787762), (2318, 9393881), (8113, 2683966), (16226, 1341983)]