21293676235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1\times {\mathrm{2803}}^1$

素因数の和:4495

約数の個数: 32

約数和(自身を含む): 27922321728

約数和(自身を除く): 6628645493

約数列:

[1, 5, 13, 65, 73, 365, 949, 1601, 2803, 4745, 8005, 14015, 20813, 36439, 104065, 116873, 182195, 204619, 584365, 1023095, 1519349, 2660047, 4487603, 7596745, 13300235, 22438015, 58338839, 291694195, 327595019, 1637975095, 4258735247, 21293676235]

約数ペア:

[(1, 21293676235), (5, 4258735247), (13, 1637975095), (65, 327595019), (73, 291694195), (365, 58338839), (949, 22438015), (1601, 13300235), (2803, 7596745), (4745, 4487603), (8005, 2660047), (14015, 1519349), (20813, 1023095), (36439, 584365), (104065, 204619), (116873, 182195)]