21853611

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2707}}^1$

素因数の和:2752

約数の個数: 32

約数和(自身を含む): 36395520

約数和(自身を除く): 14541909

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 2707, 8073, 8121, 24363, 35191, 62261, 73089, 105573, 186783, 316719, 560349, 809393, 950157, 1681047, 2428179, 7284537, 21853611]

約数ペア:

[(1, 21853611), (3, 7284537), (9, 2428179), (13, 1681047), (23, 950157), (27, 809393), (39, 560349), (69, 316719), (117, 186783), (207, 105573), (299, 73089), (351, 62261), (621, 35191), (897, 24363), (2691, 8121), (2707, 8073)]