21385098

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1907}}^1$

素因数の和:2011

約数の個数: 48

約数和(自身を含む): 53576640

約数和(自身を除く): 32191542

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 126, 178, 267, 534, 623, 801, 1246, 1602, 1869, 1907, 3738, 3814, 5607, 5721, 11214, 11442, 13349, 17163, 26698, 34326, 40047, 80094, 120141, 169723, 240282, 339446, 509169, 1018338, 1188061, 1527507, 2376122, 3055014, 3564183, 7128366, 10692549, 21385098]

約数ペア:

[(1, 21385098), (2, 10692549), (3, 7128366), (6, 3564183), (7, 3055014), (9, 2376122), (14, 1527507), (18, 1188061), (21, 1018338), (42, 509169), (63, 339446), (89, 240282), (126, 169723), (178, 120141), (267, 80094), (534, 40047), (623, 34326), (801, 26698), (1246, 17163), (1602, 13349), (1869, 11442), (1907, 11214), (3738, 5721), (3814, 5607)]