21811260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3217}}^1$

素因数の和:3342

約数の個数: 48

約数和(自身を含む): 61631136

約数和(自身を除く): 39819876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 113, 226, 339, 452, 565, 678, 1130, 1356, 1695, 2260, 3217, 3390, 6434, 6780, 9651, 12868, 16085, 19302, 32170, 38604, 48255, 64340, 96510, 193020, 363521, 727042, 1090563, 1454084, 1817605, 2181126, 3635210, 4362252, 5452815, 7270420, 10905630, 21811260]

約数ペア:

[(1, 21811260), (2, 10905630), (3, 7270420), (4, 5452815), (5, 4362252), (6, 3635210), (10, 2181126), (12, 1817605), (15, 1454084), (20, 1090563), (30, 727042), (60, 363521), (113, 193020), (226, 96510), (339, 64340), (452, 48255), (565, 38604), (678, 32170), (1130, 19302), (1356, 16085), (1695, 12868), (2260, 9651), (3217, 6780), (3390, 6434)]