21679860993

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{526453}}^1$

素因数の和:526553

約数の個数: 32

約数和(自身を含む): 34569075456

約数和(自身を除く): 12889214463

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 371, 777, 1113, 1961, 5883, 13727, 41181, 526453, 1579359, 3685171, 11055513, 19478761, 27902009, 58436283, 83706027, 136351327, 195314063, 409053981, 585942189, 1032374333, 3097122999, 7226620331, 21679860993]

約数ペア:

[(1, 21679860993), (3, 7226620331), (7, 3097122999), (21, 1032374333), (37, 585942189), (53, 409053981), (111, 195314063), (159, 136351327), (259, 83706027), (371, 58436283), (777, 27902009), (1113, 19478761), (1961, 11055513), (5883, 3685171), (13727, 1579359), (41181, 526453)]