21493589855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{15199}}^1$

素因数の和:15479

約数の個数: 32

約数和(自身を含む): 27736473600

約数和(自身を除く): 6242883745

約数列:

[1, 5, 17, 85, 127, 131, 635, 655, 2159, 2227, 10795, 11135, 15199, 16637, 75995, 83185, 258383, 282829, 1291915, 1414145, 1930273, 1991069, 9651365, 9955345, 32814641, 33848173, 164073205, 169240865, 252865763, 1264328815, 4298717971, 21493589855]

約数ペア:

[(1, 21493589855), (5, 4298717971), (17, 1264328815), (85, 252865763), (127, 169240865), (131, 164073205), (635, 33848173), (655, 32814641), (2159, 9955345), (2227, 9651365), (10795, 1991069), (11135, 1930273), (15199, 1414145), (16637, 1291915), (75995, 282829), (83185, 258383)]