21984183819

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1009}}^1\times {\mathrm{2551}}^1$

素因数の和:3652

約数の個数: 48

約数和(自身を含む): 34714039360

約数和(自身を除く): 12729855541

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 1009, 2551, 2847, 3027, 7653, 8541, 9081, 13117, 22959, 33163, 39351, 73657, 99489, 118053, 186223, 220971, 298467, 558669, 662913, 957541, 1676007, 2420899, 2573959, 2872623, 7262697, 7721877, 8617869, 21788091, 23165631, 33461467, 100384401, 187899007, 301153203, 563697021, 1691091063, 2442687091, 7328061273, 21984183819]

約数ペア:

[(1, 21984183819), (3, 7328061273), (9, 2442687091), (13, 1691091063), (39, 563697021), (73, 301153203), (117, 187899007), (219, 100384401), (657, 33461467), (949, 23165631), (1009, 21788091), (2551, 8617869), (2847, 7721877), (3027, 7262697), (7653, 2872623), (8541, 2573959), (9081, 2420899), (13117, 1676007), (22959, 957541), (33163, 662913), (39351, 558669), (73657, 298467), (99489, 220971), (118053, 186223)]