21000921896

素因数分解:

$2^3\times {\mathrm{233}}^1\times {\mathrm{2243}}^1\times {\mathrm{5023}}^1$

素因数の和:7505

約数の個数: 32

約数和(自身を含む): 39571234560

約数和(自身を除く): 18570312664

約数列:

[1, 2, 4, 8, 233, 466, 932, 1864, 2243, 4486, 5023, 8972, 10046, 17944, 20092, 40184, 522619, 1045238, 1170359, 2090476, 2340718, 4180952, 4681436, 9362872, 11266589, 22533178, 45066356, 90132712, 2625115237, 5250230474, 10500460948, 21000921896]

約数ペア:

[(1, 21000921896), (2, 10500460948), (4, 5250230474), (8, 2625115237), (233, 90132712), (466, 45066356), (932, 22533178), (1864, 11266589), (2243, 9362872), (4486, 4681436), (5023, 4180952), (8972, 2340718), (10046, 2090476), (17944, 1170359), (20092, 1045238), (40184, 522619)]