21786982049273

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{19773613}}^1$

素因数の和:19773881

約数の個数: 32

約数和(自身を含む): 27061693553664

約数和(自身を除く): 5274711504391

約数列:

[1, 7, 17, 47, 119, 197, 329, 799, 1379, 3349, 5593, 9259, 23443, 64813, 157403, 1101821, 19773613, 138415291, 336151421, 929359811, 2353059947, 3895401761, 6505518677, 15799116787, 27267812327, 66221829937, 110593817509, 183083882767, 463552809559, 1281587179369, 3112426007039, 21786982049273]

約数ペア:

[(1, 21786982049273), (7, 3112426007039), (17, 1281587179369), (47, 463552809559), (119, 183083882767), (197, 110593817509), (329, 66221829937), (799, 27267812327), (1379, 15799116787), (3349, 6505518677), (5593, 3895401761), (9259, 2353059947), (23443, 929359811), (64813, 336151421), (157403, 138415291), (1101821, 19773613)]