21398442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 47433600

約数和(自身を除く): 26035158

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 169, 282, 338, 449, 507, 611, 898, 1014, 1222, 1347, 1833, 2694, 3666, 5837, 7943, 11674, 15886, 17511, 21103, 23829, 35022, 42206, 47658, 63309, 75881, 126618, 151762, 227643, 274339, 455286, 548678, 823017, 1646034, 3566407, 7132814, 10699221, 21398442]

約数ペア:

[(1, 21398442), (2, 10699221), (3, 7132814), (6, 3566407), (13, 1646034), (26, 823017), (39, 548678), (47, 455286), (78, 274339), (94, 227643), (141, 151762), (169, 126618), (282, 75881), (338, 63309), (449, 47658), (507, 42206), (611, 35022), (898, 23829), (1014, 21103), (1222, 17511), (1347, 15886), (1833, 11674), (2694, 7943), (3666, 5837)]