21970095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2351}}^1$

素因数の和:2455

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 18672465

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 2351, 3115, 7053, 9345, 11755, 16457, 35265, 49371, 82285, 209239, 246855, 627717, 1046195, 1464673, 3138585, 4394019, 7323365, 21970095]

約数ペア:

[(1, 21970095), (3, 7323365), (5, 4394019), (7, 3138585), (15, 1464673), (21, 1046195), (35, 627717), (89, 246855), (105, 209239), (267, 82285), (445, 49371), (623, 35265), (1335, 16457), (1869, 11755), (2351, 9345), (3115, 7053)]