2021919305

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61261}}^1$

素因数の和:61337

約数の個数: 32

約数和(自身を含む): 2964100608

約数和(自身を除く): 942181303

約数列:

[1, 5, 7, 23, 35, 41, 115, 161, 205, 287, 805, 943, 1435, 4715, 6601, 33005, 61261, 306305, 428827, 1409003, 2144135, 2511701, 7045015, 9863021, 12558505, 17581907, 49315105, 57769123, 87909535, 288845615, 404383861, 2021919305]

約数ペア:

[(1, 2021919305), (5, 404383861), (7, 288845615), (23, 87909535), (35, 57769123), (41, 49315105), (115, 17581907), (161, 12558505), (205, 9863021), (287, 7045015), (805, 2511701), (943, 2144135), (1435, 1409003), (4715, 428827), (6601, 306305), (33005, 61261)]