21063393

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2687}}^1$

素因数の和:2773

約数の個数: 24

約数和(自身を含む): 33266688

約数和(自身を除く): 12203295

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 2687, 7839, 8061, 24183, 34931, 104793, 180029, 314379, 540087, 1620261, 2340377, 7021131, 21063393]

約数ペア:

[(1, 21063393), (3, 7021131), (9, 2340377), (13, 1620261), (39, 540087), (67, 314379), (117, 180029), (201, 104793), (603, 34931), (871, 24183), (2613, 8061), (2687, 7839)]