21000209010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63636997}}^1$

素因数の和:63637018

約数の個数: 32

約数和(自身を含む): 54982366272

約数和(自身を除く): 33982157262

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63636997, 127273994, 190910991, 318184985, 381821982, 636369970, 700006967, 954554955, 1400013934, 1909109910, 2100020901, 3500034835, 4200041802, 7000069670, 10500104505, 21000209010]

約数ペア:

[(1, 21000209010), (2, 10500104505), (3, 7000069670), (5, 4200041802), (6, 3500034835), (10, 2100020901), (11, 1909109910), (15, 1400013934), (22, 954554955), (30, 700006967), (33, 636369970), (55, 381821982), (66, 318184985), (110, 190910991), (165, 127273994), (330, 63636997)]