21028921001

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1\times {\mathrm{62929}}^1$

素因数の和:64744

約数の個数: 16

約数和(自身を含む): 24304069440

約数和(自身を除く): 3275148439

約数列:

[1, 11, 17, 187, 1787, 19657, 30379, 62929, 334169, 692219, 1069793, 11767723, 112454123, 1236995353, 1911720091, 21028921001]

約数ペア:

[(1, 21028921001), (11, 1911720091), (17, 1236995353), (187, 112454123), (1787, 11767723), (19657, 1069793), (30379, 692219), (62929, 334169)]