21090551247

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1\times {\mathrm{6073}}^1$

素因数の和:7004

約数の個数: 48

約数和(自身を含む): 33505155840

約数和(自身を除く): 12414604593

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 883, 1311, 2649, 3933, 6073, 7947, 16777, 18219, 20309, 50331, 54657, 60927, 115387, 139679, 150993, 182781, 346161, 385871, 419037, 1038483, 1157613, 1257111, 2653901, 3472839, 5362459, 7961703, 16087377, 23885109, 48262131, 101886721, 123336557, 305660163, 370009671, 916980489, 1110029013, 2343394583, 7030183749, 21090551247]

約数ペア:

[(1, 21090551247), (3, 7030183749), (9, 2343394583), (19, 1110029013), (23, 916980489), (57, 370009671), (69, 305660163), (171, 123336557), (207, 101886721), (437, 48262131), (883, 23885109), (1311, 16087377), (2649, 7961703), (3933, 5362459), (6073, 3472839), (7947, 2653901), (16777, 1257111), (18219, 1157613), (20309, 1038483), (50331, 419037), (54657, 385871), (60927, 346161), (115387, 182781), (139679, 150993)]