21306933

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2963}}^1$

素因数の和:3033

約数の個数: 24

約数和(自身を含む): 33291648

約数和(自身を除く): 11984715

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 2963, 7191, 8889, 26667, 50371, 139261, 151113, 417783, 453339, 1253349, 2367437, 7102311, 21306933]

約数ペア:

[(1, 21306933), (3, 7102311), (9, 2367437), (17, 1253349), (47, 453339), (51, 417783), (141, 151113), (153, 139261), (423, 50371), (799, 26667), (2397, 8889), (2963, 7191)]