21537738

素因数分解:

$2^1\times 3^4\times {\mathrm{132949}}^1$

素因数の和:132963

約数の個数: 20

約数和(自身を含む): 48260850

約数和(自身を除く): 26723112

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 132949, 265898, 398847, 797694, 1196541, 2393082, 3589623, 7179246, 10768869, 21537738]

約数ペア:

[(1, 21537738), (2, 10768869), (3, 7179246), (6, 3589623), (9, 2393082), (18, 1196541), (27, 797694), (54, 398847), (81, 265898), (162, 132949)]