21700070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7561}}^1$

素因数の和:7616

約数の個数: 32

約数和(自身を含む): 45734976

約数和(自身を除く): 24034906

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7561, 15122, 37805, 52927, 75610, 105854, 264635, 310001, 529270, 620002, 1550005, 2170007, 3100010, 4340014, 10850035, 21700070]

約数ペア:

[(1, 21700070), (2, 10850035), (5, 4340014), (7, 3100010), (10, 2170007), (14, 1550005), (35, 620002), (41, 529270), (70, 310001), (82, 264635), (205, 105854), (287, 75610), (410, 52927), (574, 37805), (1435, 15122), (2870, 7561)]