21981036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23789}}^1$

素因数の和:23814

約数の個数: 48

約数和(自身を含む): 63947520

約数和(自身を除く): 41966484

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 23789, 47578, 71367, 95156, 142734, 166523, 261679, 285468, 333046, 499569, 523358, 666092, 785037, 999138, 1046716, 1570074, 1831753, 1998276, 3140148, 3663506, 5495259, 7327012, 10990518, 21981036]

約数ペア:

[(1, 21981036), (2, 10990518), (3, 7327012), (4, 5495259), (6, 3663506), (7, 3140148), (11, 1998276), (12, 1831753), (14, 1570074), (21, 1046716), (22, 999138), (28, 785037), (33, 666092), (42, 523358), (44, 499569), (66, 333046), (77, 285468), (84, 261679), (132, 166523), (154, 142734), (231, 95156), (308, 71367), (462, 47578), (924, 23789)]