21940590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{104479}}^1$

素因数の和:104496

約数の個数: 32

約数和(自身を含む): 60180480

約数和(自身を除く): 38239890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 104479, 208958, 313437, 522395, 626874, 731353, 1044790, 1462706, 1567185, 2194059, 3134370, 3656765, 4388118, 7313530, 10970295, 21940590]

約数ペア:

[(1, 21940590), (2, 10970295), (3, 7313530), (5, 4388118), (6, 3656765), (7, 3134370), (10, 2194059), (14, 1567185), (15, 1462706), (21, 1044790), (30, 731353), (35, 626874), (42, 522395), (70, 313437), (105, 208958), (210, 104479)]