21037962

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13859}}^1$

素因数の和:13898

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 26862198

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13859, 27718, 41577, 83154, 152449, 304898, 318757, 457347, 637514, 914694, 956271, 1912542, 3506327, 7012654, 10518981, 21037962]

約数ペア:

[(1, 21037962), (2, 10518981), (3, 7012654), (6, 3506327), (11, 1912542), (22, 956271), (23, 914694), (33, 637514), (46, 457347), (66, 318757), (69, 304898), (138, 152449), (253, 83154), (506, 41577), (759, 27718), (1518, 13859)]