21296187

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2417}}^1$

素因数の和:2523

約数の個数: 24

約数和(自身を含む): 33948720

約数和(自身を除く): 12652533

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2417, 2937, 7251, 8811, 21753, 26587, 79761, 215113, 239283, 645339, 1936017, 2366243, 7098729, 21296187]

約数ペア:

[(1, 21296187), (3, 7098729), (9, 2366243), (11, 1936017), (33, 645339), (89, 239283), (99, 215113), (267, 79761), (801, 26587), (979, 21753), (2417, 8811), (2937, 7251)]