21342348560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20521489}}^1$

素因数の和:20521515

約数の個数: 40

約数和(自身を含む): 53437959960

約数和(自身を除く): 32095611400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 20521489, 41042978, 82085956, 102607445, 164171912, 205214890, 266779357, 328343824, 410429780, 533558714, 820859560, 1067117428, 1333896785, 1641719120, 2134234856, 2667793570, 4268469712, 5335587140, 10671174280, 21342348560]

約数ペア:

[(1, 21342348560), (2, 10671174280), (4, 5335587140), (5, 4268469712), (8, 2667793570), (10, 2134234856), (13, 1641719120), (16, 1333896785), (20, 1067117428), (26, 820859560), (40, 533558714), (52, 410429780), (65, 328343824), (80, 266779357), (104, 205214890), (130, 164171912), (208, 102607445), (260, 82085956), (520, 41042978), (1040, 20521489)]