21560578559

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{238531}}^1$

素因数の和:238970

約数の個数: 16

約数和(自身を含む): 24645126240

約数和(自身を除く): 3084547681

約数列:

[1, 13, 17, 221, 409, 5317, 6953, 90389, 238531, 3100903, 4055027, 52715351, 97559179, 1268269327, 1658506043, 21560578559]

約数ペア:

[(1, 21560578559), (13, 1658506043), (17, 1268269327), (221, 97559179), (409, 52715351), (5317, 4055027), (6953, 3100903), (90389, 238531)]