21699904

素因数分解:

$2^6\times {\mathrm{409}}^1\times {\mathrm{829}}^1$

素因数の和:1250

約数の個数: 28

約数和(自身を含む): 43218100

約数和(自身を除く): 21518196

約数列:

[1, 2, 4, 8, 16, 32, 64, 409, 818, 829, 1636, 1658, 3272, 3316, 6544, 6632, 13088, 13264, 26176, 26528, 53056, 339061, 678122, 1356244, 2712488, 5424976, 10849952, 21699904]

約数ペア:

[(1, 21699904), (2, 10849952), (4, 5424976), (8, 2712488), (16, 1356244), (32, 678122), (64, 339061), (409, 53056), (818, 26528), (829, 26176), (1636, 13264), (1658, 13088), (3272, 6632), (3316, 6544)]