21144074

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2741}}^1$

素因数の和:2798

約数の個数: 32

約数和(自身を含む): 39484800

約数和(自身を除く): 18340726

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 2741, 3857, 5482, 7714, 19187, 38374, 52079, 79489, 104158, 158978, 364553, 556423, 729106, 1112846, 1510291, 3020582, 10572037, 21144074]

約数ペア:

[(1, 21144074), (2, 10572037), (7, 3020582), (14, 1510291), (19, 1112846), (29, 729106), (38, 556423), (58, 364553), (133, 158978), (203, 104158), (266, 79489), (406, 52079), (551, 38374), (1102, 19187), (2741, 7714), (3857, 5482)]