21984261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2339}}^1$

素因数の和:2596

約数の個数: 16

約数和(自身を含む): 31711680

約数和(自身を除く): 9727419

約数列:

[1, 3, 13, 39, 241, 723, 2339, 3133, 7017, 9399, 30407, 91221, 563699, 1691097, 7328087, 21984261]

約数ペア:

[(1, 21984261), (3, 7328087), (13, 1691097), (39, 563699), (241, 91221), (723, 30407), (2339, 9399), (3133, 7017)]