21700204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7717}}^1$

素因数の和:7777

約数の個数: 24

約数和(自身を含む): 41059760

約数和(自身を除く): 19359556

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7717, 15434, 30868, 146623, 285529, 293246, 571058, 586492, 1142116, 5425051, 10850102, 21700204]

約数ペア:

[(1, 21700204), (2, 10850102), (4, 5425051), (19, 1142116), (37, 586492), (38, 571058), (74, 293246), (76, 285529), (148, 146623), (703, 30868), (1406, 15434), (2812, 7717)]