21690225650

素因数分解:

$2^1\times 5^2\times {\mathrm{18481}}^1\times {\mathrm{23473}}^1$

素因数の和:41966

約数の個数: 24

約数和(自身を含む): 40347721524

約数和(自身を除く): 18657495874

約数列:

[1, 2, 5, 10, 25, 50, 18481, 23473, 36962, 46946, 92405, 117365, 184810, 234730, 462025, 586825, 924050, 1173650, 433804513, 867609026, 2169022565, 4338045130, 10845112825, 21690225650]

約数ペア:

[(1, 21690225650), (2, 10845112825), (5, 4338045130), (10, 2169022565), (25, 867609026), (50, 433804513), (18481, 1173650), (23473, 924050), (36962, 586825), (46946, 462025), (92405, 234730), (117365, 184810)]