21939636719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{77999}}^1$

素因数の和:78311

約数の個数: 32

約数和(自身を含む): 29562624000

約数和(自身を除く): 7622987281

約数列:

[1, 7, 11, 13, 77, 91, 143, 281, 1001, 1967, 3091, 3653, 21637, 25571, 40183, 77999, 281281, 545993, 857989, 1013987, 6005923, 7097909, 11153857, 21917719, 78076999, 153424033, 241094909, 284930347, 1687664363, 1994512429, 3134233817, 21939636719]

約数ペア:

[(1, 21939636719), (7, 3134233817), (11, 1994512429), (13, 1687664363), (77, 284930347), (91, 241094909), (143, 153424033), (281, 78076999), (1001, 21917719), (1967, 11153857), (3091, 7097909), (3653, 6005923), (21637, 1013987), (25571, 857989), (40183, 545993), (77999, 281281)]