21000604810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1811959}}^1$

素因数の和:1812046

約数の個数: 32

約数和(自身を含む): 40442947200

約数和(自身を除く): 19442342390

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 5795, 11590, 1811959, 3623918, 9059795, 18119590, 34427221, 68854442, 110529499, 172136105, 221058998, 344272210, 552647495, 1105294990, 2100060481, 4200120962, 10500302405, 21000604810]

約数ペア:

[(1, 21000604810), (2, 10500302405), (5, 4200120962), (10, 2100060481), (19, 1105294990), (38, 552647495), (61, 344272210), (95, 221058998), (122, 172136105), (190, 110529499), (305, 68854442), (610, 34427221), (1159, 18119590), (2318, 9059795), (5795, 3623918), (11590, 1811959)]