21858712

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{73847}}^1$

素因数の和:73890

約数の個数: 16

約数和(自身を含む): 42093360

約数和(自身を除く): 20234648

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 73847, 147694, 295388, 590776, 2732339, 5464678, 10929356, 21858712]

約数ペア:

[(1, 21858712), (2, 10929356), (4, 5464678), (8, 2732339), (37, 590776), (74, 295388), (148, 147694), (296, 73847)]