21000337436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{9539}}^1\times {\mathrm{42337}}^1$

素因数の和:51893

約数の個数: 24

約数和(自身を含む): 39582642960

約数和(自身を除く): 18582305524

約数列:

[1, 2, 4, 13, 26, 52, 9539, 19078, 38156, 42337, 84674, 124007, 169348, 248014, 496028, 550381, 1100762, 2201524, 403852643, 807705286, 1615410572, 5250084359, 10500168718, 21000337436]

約数ペア:

[(1, 21000337436), (2, 10500168718), (4, 5250084359), (13, 1615410572), (26, 807705286), (52, 403852643), (9539, 2201524), (19078, 1100762), (38156, 550381), (42337, 496028), (84674, 248014), (124007, 169348)]