21243510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1223}}^1$

素因数の和:1429

約数の個数: 48

約数和(自身を含む): 55564704

約数和(自身を除く): 34321194

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 193, 386, 579, 965, 1158, 1223, 1737, 1930, 2446, 2895, 3474, 3669, 5790, 6115, 7338, 8685, 11007, 12230, 17370, 18345, 22014, 36690, 55035, 110070, 236039, 472078, 708117, 1180195, 1416234, 2124351, 2360390, 3540585, 4248702, 7081170, 10621755, 21243510]

約数ペア:

[(1, 21243510), (2, 10621755), (3, 7081170), (5, 4248702), (6, 3540585), (9, 2360390), (10, 2124351), (15, 1416234), (18, 1180195), (30, 708117), (45, 472078), (90, 236039), (193, 110070), (386, 55035), (579, 36690), (965, 22014), (1158, 18345), (1223, 17370), (1737, 12230), (1930, 11007), (2446, 8685), (2895, 7338), (3474, 6115), (3669, 5790)]