21008225881

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4243}}^1\times {\mathrm{15329}}^1$

素因数の和:19608

約数の個数: 16

約数和(自身を含む): 23421787200

約数和(自身を除く): 2413561319

約数列:

[1, 17, 19, 323, 4243, 15329, 72131, 80617, 260593, 291251, 1370489, 4951267, 65040947, 1105696099, 1235777993, 21008225881]

約数ペア:

[(1, 21008225881), (17, 1235777993), (19, 1105696099), (323, 65040947), (4243, 4951267), (15329, 1370489), (72131, 291251), (80617, 260593)]