21477610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27893}}^1$

素因数の和:27918

約数の個数: 32

約数和(自身を含む): 48200832

約数和(自身を除く): 26723222

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27893, 55786, 139465, 195251, 278930, 306823, 390502, 613646, 976255, 1534115, 1952510, 2147761, 3068230, 4295522, 10738805, 21477610]

約数ペア:

[(1, 21477610), (2, 10738805), (5, 4295522), (7, 3068230), (10, 2147761), (11, 1952510), (14, 1534115), (22, 976255), (35, 613646), (55, 390502), (70, 306823), (77, 278930), (110, 195251), (154, 139465), (385, 55786), (770, 27893)]