21471966

素因数分解:

$2^1\times 3^7\times {\mathrm{4909}}^1$

素因数の和:4932

約数の個数: 32

約数和(自身を含む): 48314400

約数和(自身を除く): 26842434

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 4909, 9818, 14727, 29454, 44181, 88362, 132543, 265086, 397629, 795258, 1192887, 2385774, 3578661, 7157322, 10735983, 21471966]

約数ペア:

[(1, 21471966), (2, 10735983), (3, 7157322), (6, 3578661), (9, 2385774), (18, 1192887), (27, 795258), (54, 397629), (81, 265086), (162, 132543), (243, 88362), (486, 44181), (729, 29454), (1458, 14727), (2187, 9818), (4374, 4909)]