21716156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70507}}^1$

素因数の和:70529

約数の個数: 24

約数和(自身を含む): 47381376

約数和(自身を除く): 25665220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70507, 141014, 282028, 493549, 775577, 987098, 1551154, 1974196, 3102308, 5429039, 10858078, 21716156]

約数ペア:

[(1, 21716156), (2, 10858078), (4, 5429039), (7, 3102308), (11, 1974196), (14, 1551154), (22, 987098), (28, 775577), (44, 493549), (77, 282028), (154, 141014), (308, 70507)]