21226610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2377}}^1$

素因数の和:2450

約数の個数: 32

約数和(自身を含む): 41091840

約数和(自身を除く): 19865230

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2377, 4465, 4754, 8930, 11885, 23770, 45163, 90326, 111719, 223438, 225815, 451630, 558595, 1117190, 2122661, 4245322, 10613305, 21226610]

約数ペア:

[(1, 21226610), (2, 10613305), (5, 4245322), (10, 2122661), (19, 1117190), (38, 558595), (47, 451630), (94, 225815), (95, 223438), (190, 111719), (235, 90326), (470, 45163), (893, 23770), (1786, 11885), (2377, 8930), (4465, 4754)]