21229122819

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{719}}^1\times {\mathrm{1559}}^1$

素因数の和:2447

約数の個数: 32

約数和(自身を含む): 29113344000

約数和(自身を除く): 7884221181

約数列:

[1, 3, 59, 107, 177, 321, 719, 1559, 2157, 4677, 6313, 18939, 42421, 76933, 91981, 127263, 166813, 230799, 275943, 500439, 1120921, 3362763, 4539047, 9841967, 13617141, 29525901, 66134339, 119938547, 198403017, 359815641, 7076374273, 21229122819]

約数ペア:

[(1, 21229122819), (3, 7076374273), (59, 359815641), (107, 198403017), (177, 119938547), (321, 66134339), (719, 29525901), (1559, 13617141), (2157, 9841967), (4677, 4539047), (6313, 3362763), (18939, 1120921), (42421, 500439), (76933, 275943), (91981, 230799), (127263, 166813)]