21898388

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{929}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 17474092

約数列:

[1, 2, 4, 71, 83, 142, 166, 284, 332, 929, 1858, 3716, 5893, 11786, 23572, 65959, 77107, 131918, 154214, 263836, 308428, 5474597, 10949194, 21898388]

約数ペア:

[(1, 21898388), (2, 10949194), (4, 5474597), (71, 308428), (83, 263836), (142, 154214), (166, 131918), (284, 77107), (332, 65959), (929, 23572), (1858, 11786), (3716, 5893)]