21736638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15683}}^1$

素因数の和:15709

約数の個数: 48

約数和(自身を含む): 58720896

約数和(自身を除く): 36984258

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15683, 31366, 47049, 94098, 109781, 141147, 172513, 219562, 282294, 329343, 345026, 517539, 658686, 988029, 1035078, 1207591, 1552617, 1976058, 2415182, 3105234, 3622773, 7245546, 10868319, 21736638]

約数ペア:

[(1, 21736638), (2, 10868319), (3, 7245546), (6, 3622773), (7, 3105234), (9, 2415182), (11, 1976058), (14, 1552617), (18, 1207591), (21, 1035078), (22, 988029), (33, 658686), (42, 517539), (63, 345026), (66, 329343), (77, 282294), (99, 219562), (126, 172513), (154, 141147), (198, 109781), (231, 94098), (462, 47049), (693, 31366), (1386, 15683)]