21232341

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 34151040

約数和(自身を除く): 12918699

約数列:

[1, 3, 9, 13, 27, 39, 117, 241, 251, 351, 723, 753, 2169, 2259, 3133, 3263, 6507, 6777, 9399, 9789, 28197, 29367, 60491, 84591, 88101, 181473, 544419, 786383, 1633257, 2359149, 7077447, 21232341]

約数ペア:

[(1, 21232341), (3, 7077447), (9, 2359149), (13, 1633257), (27, 786383), (39, 544419), (117, 181473), (241, 88101), (251, 84591), (351, 60491), (723, 29367), (753, 28197), (2169, 9789), (2259, 9399), (3133, 6777), (3263, 6507)]