21082923

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{1637}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 32196528

約数和(自身を除く): 11113605

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 1637, 4293, 4911, 12879, 14733, 44199, 86761, 132597, 260283, 397791, 780849, 2342547, 7027641, 21082923]

約数ペア:

[(1, 21082923), (3, 7027641), (9, 2342547), (27, 780849), (53, 397791), (81, 260283), (159, 132597), (243, 86761), (477, 44199), (1431, 14733), (1637, 12879), (4293, 4911)]