21523643135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{29759}}^1$

素因数の和:29975

約数の個数: 32

約数和(自身を含む): 27975352320

約数和(自身を除く): 6451709185

約数列:

[1, 5, 17, 67, 85, 127, 335, 635, 1139, 2159, 5695, 8509, 10795, 29759, 42545, 144653, 148795, 505903, 723265, 1993853, 2529515, 3779393, 9969265, 18896965, 33895501, 64249681, 169477505, 253219331, 321248405, 1266096655, 4304728627, 21523643135]

約数ペア:

[(1, 21523643135), (5, 4304728627), (17, 1266096655), (67, 321248405), (85, 253219331), (127, 169477505), (335, 64249681), (635, 33895501), (1139, 18896965), (2159, 9969265), (5695, 3779393), (8509, 2529515), (10795, 1993853), (29759, 723265), (42545, 505903), (144653, 148795)]