21493494

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{108553}}^1$

素因数の和:108572

約数の個数: 24

約数和(自身を含む): 50803272

約数和(自身を除く): 29309778

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 108553, 217106, 325659, 651318, 976977, 1194083, 1953954, 2388166, 3582249, 7164498, 10746747, 21493494]

約数ペア:

[(1, 21493494), (2, 10746747), (3, 7164498), (6, 3582249), (9, 2388166), (11, 1953954), (18, 1194083), (22, 976977), (33, 651318), (66, 325659), (99, 217106), (198, 108553)]