21972892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2207}}^1$

素因数の和:2361

約数の個数: 24

約数和(自身を含む): 40803840

約数和(自身を除く): 18830948

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2207, 2489, 4414, 4978, 8828, 9956, 41933, 83866, 167732, 289117, 578234, 1156468, 5493223, 10986446, 21972892]

約数ペア:

[(1, 21972892), (2, 10986446), (4, 5493223), (19, 1156468), (38, 578234), (76, 289117), (131, 167732), (262, 83866), (524, 41933), (2207, 9956), (2489, 8828), (4414, 4978)]