21085654317

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3358123}}^1$

素因数の和:3358169

約数の個数: 32

約数和(自身を含む): 36106549248

約数和(自身を除く): 15020894931

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 6279, 3358123, 10074369, 23506861, 43655599, 70520583, 77236829, 130966797, 231710487, 305589193, 540657803, 916767579, 1004078777, 1621973409, 3012236331, 7028551439, 21085654317]

約数ペア:

[(1, 21085654317), (3, 7028551439), (7, 3012236331), (13, 1621973409), (21, 1004078777), (23, 916767579), (39, 540657803), (69, 305589193), (91, 231710487), (161, 130966797), (273, 77236829), (299, 70520583), (483, 43655599), (897, 23506861), (2093, 10074369), (6279, 3358123)]