21989052

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6863}}^1$

素因数の和:6962

約数の個数: 36

約数和(自身を含む): 56216160

約数和(自身を除く): 34227108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6863, 13726, 20589, 27452, 41178, 61767, 82356, 123534, 247068, 610807, 1221614, 1832421, 2443228, 3664842, 5497263, 7329684, 10994526, 21989052]

約数ペア:

[(1, 21989052), (2, 10994526), (3, 7329684), (4, 5497263), (6, 3664842), (9, 2443228), (12, 1832421), (18, 1221614), (36, 610807), (89, 247068), (178, 123534), (267, 82356), (356, 61767), (534, 41178), (801, 27452), (1068, 20589), (1602, 13726), (3204, 6863)]