21069254

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13145146

約数列:

[1, 2, 29, 47, 58, 59, 94, 118, 131, 262, 1363, 1711, 2726, 2773, 3422, 3799, 5546, 6157, 7598, 7729, 12314, 15458, 80417, 160834, 178553, 224141, 357106, 363263, 448282, 726526, 10534627, 21069254]

約数ペア:

[(1, 21069254), (2, 10534627), (29, 726526), (47, 448282), (58, 363263), (59, 357106), (94, 224141), (118, 178553), (131, 160834), (262, 80417), (1363, 15458), (1711, 12314), (2726, 7729), (2773, 7598), (3422, 6157), (3799, 5546)]