21706671

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1483}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 35900928

約数和(自身を除く): 14194257

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1483, 2091, 4449, 4879, 10381, 14637, 25211, 31143, 60803, 75633, 176477, 182409, 425621, 529431, 1033651, 1276863, 3100953, 7235557, 21706671]

約数ペア:

[(1, 21706671), (3, 7235557), (7, 3100953), (17, 1276863), (21, 1033651), (41, 529431), (51, 425621), (119, 182409), (123, 176477), (287, 75633), (357, 60803), (697, 31143), (861, 25211), (1483, 14637), (2091, 10381), (4449, 4879)]