21374943

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 31660800

約数和(自身を除く): 10285857

約数列:

[1, 3, 19, 29, 57, 67, 87, 193, 201, 551, 579, 1273, 1653, 1943, 3667, 3819, 5597, 5829, 11001, 12931, 16791, 36917, 38793, 106343, 110751, 245689, 319029, 374999, 737067, 1124997, 7124981, 21374943]

約数ペア:

[(1, 21374943), (3, 7124981), (19, 1124997), (29, 737067), (57, 374999), (67, 319029), (87, 245689), (193, 110751), (201, 106343), (551, 38793), (579, 36917), (1273, 16791), (1653, 12931), (1943, 11001), (3667, 5829), (3819, 5597)]