21363885

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8329}}^1$

素因数の和:8362

約数の個数: 32

約数和(自身を含む): 39984000

約数和(自身を除く): 18620115

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 8329, 24987, 41645, 74961, 124935, 158251, 224883, 374805, 474753, 791255, 1124415, 1424259, 2373765, 4272777, 7121295, 21363885]

約数ペア:

[(1, 21363885), (3, 7121295), (5, 4272777), (9, 2373765), (15, 1424259), (19, 1124415), (27, 791255), (45, 474753), (57, 374805), (95, 224883), (135, 158251), (171, 124935), (285, 74961), (513, 41645), (855, 24987), (2565, 8329)]