21499328

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5507}}^1$

素因数の和:5580

約数の個数: 28

約数和(自身を含む): 43369992

約数和(自身を除く): 21870664

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5507, 11014, 22028, 44056, 88112, 176224, 335927, 352448, 671854, 1343708, 2687416, 5374832, 10749664, 21499328]

約数ペア:

[(1, 21499328), (2, 10749664), (4, 5374832), (8, 2687416), (16, 1343708), (32, 671854), (61, 352448), (64, 335927), (122, 176224), (244, 88112), (488, 44056), (976, 22028), (1952, 11014), (3904, 5507)]