21949202667

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1\times {\mathrm{20143}}^1$

素因数の和:22903

約数の個数: 32

約数和(自身を含む): 35221381120

約数和(自身を除く): 13272178453

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2731, 8193, 19117, 20143, 51889, 57351, 60429, 141001, 155667, 363223, 382717, 423003, 1089669, 1148151, 2679019, 8037057, 55010533, 165031599, 385073731, 1045200127, 1155221193, 3135600381, 7316400889, 21949202667]

約数ペア:

[(1, 21949202667), (3, 7316400889), (7, 3135600381), (19, 1155221193), (21, 1045200127), (57, 385073731), (133, 165031599), (399, 55010533), (2731, 8037057), (8193, 2679019), (19117, 1148151), (20143, 1089669), (51889, 423003), (57351, 382717), (60429, 363223), (141001, 155667)]