21470565

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 13987995

約数列:

[1, 3, 5, 15, 53, 113, 159, 239, 265, 339, 565, 717, 795, 1195, 1695, 3585, 5989, 12667, 17967, 27007, 29945, 38001, 63335, 81021, 89835, 135035, 190005, 405105, 1431371, 4294113, 7156855, 21470565]

約数ペア:

[(1, 21470565), (3, 7156855), (5, 4294113), (15, 1431371), (53, 405105), (113, 190005), (159, 135035), (239, 89835), (265, 81021), (339, 63335), (565, 38001), (717, 29945), (795, 27007), (1195, 17967), (1695, 12667), (3585, 5989)]