21972272

素因数分解:

$2^4\times 7^1\times {\mathrm{196181}}^1$

素因数の和:196196

約数の個数: 20

約数和(自身を含む): 48653136

約数和(自身を除く): 26680864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 196181, 392362, 784724, 1373267, 1569448, 2746534, 3138896, 5493068, 10986136, 21972272]

約数ペア:

[(1, 21972272), (2, 10986136), (4, 5493068), (7, 3138896), (8, 2746534), (14, 1569448), (16, 1373267), (28, 784724), (56, 392362), (112, 196181)]