21759777

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1039}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 34070400

約数和(自身を除く): 12310623

約数列:

[1, 3, 9, 13, 39, 117, 179, 537, 1039, 1611, 2327, 3117, 6981, 9351, 13507, 20943, 40521, 121563, 185981, 557943, 1673829, 2417753, 7253259, 21759777]

約数ペア:

[(1, 21759777), (3, 7253259), (9, 2417753), (13, 1673829), (39, 557943), (117, 185981), (179, 121563), (537, 40521), (1039, 20943), (1611, 13507), (2327, 9351), (3117, 6981)]