21372786

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{12241}}^1$

素因数の和:12346

約数の個数: 24

約数和(自身を含む): 46788924

約数和(自身を除く): 25416138

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 12241, 24482, 36723, 73446, 110169, 220338, 1187377, 2374754, 3562131, 7124262, 10686393, 21372786]

約数ペア:

[(1, 21372786), (2, 10686393), (3, 7124262), (6, 3562131), (9, 2374754), (18, 1187377), (97, 220338), (194, 110169), (291, 73446), (582, 36723), (873, 24482), (1746, 12241)]