21768360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{641}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 65638080

約数和(自身を除く): 43869720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 283, 566, 641, 849, 1132, 1282, 1415, 1698, 1923, 2264, 2564, 2830, 3205, 3396, 3846, 4245, 5128, 5660, 6410, 6792, 7692, 8490, 9615, 11320, 12820, 15384, 16980, 19230, 25640, 33960, 38460, 76920, 181403, 362806, 544209, 725612, 907015, 1088418, 1451224, 1814030, 2176836, 2721045, 3628060, 4353672, 5442090, 7256120, 10884180, 21768360]

約数ペア:

[(1, 21768360), (2, 10884180), (3, 7256120), (4, 5442090), (5, 4353672), (6, 3628060), (8, 2721045), (10, 2176836), (12, 1814030), (15, 1451224), (20, 1088418), (24, 907015), (30, 725612), (40, 544209), (60, 362806), (120, 181403), (283, 76920), (566, 38460), (641, 33960), (849, 25640), (1132, 19230), (1282, 16980), (1415, 15384), (1698, 12820), (1923, 11320), (2264, 9615), (2564, 8490), (2830, 7692), (3205, 6792), (3396, 6410), (3846, 5660), (4245, 5128)]