21327948

素因数分解:

$2^2\times 3^4\times {\mathrm{65827}}^1$

素因数の和:65843

約数の個数: 30

約数和(自身を含む): 55756316

約数和(自身を除く): 34428368

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65827, 131654, 197481, 263308, 394962, 592443, 789924, 1184886, 1777329, 2369772, 3554658, 5331987, 7109316, 10663974, 21327948]

約数ペア:

[(1, 21327948), (2, 10663974), (3, 7109316), (4, 5331987), (6, 3554658), (9, 2369772), (12, 1777329), (18, 1184886), (27, 789924), (36, 592443), (54, 394962), (81, 263308), (108, 197481), (162, 131654), (324, 65827)]