21958870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2459}}^1$

素因数の和:2532

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 20549930

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2459, 4465, 4918, 8930, 12295, 24590, 46721, 93442, 115573, 231146, 233605, 467210, 577865, 1155730, 2195887, 4391774, 10979435, 21958870]

約数ペア:

[(1, 21958870), (2, 10979435), (5, 4391774), (10, 2195887), (19, 1155730), (38, 577865), (47, 467210), (94, 233605), (95, 231146), (190, 115573), (235, 93442), (470, 46721), (893, 24590), (1786, 12295), (2459, 8930), (4465, 4918)]