21909006

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4241}}^1$

素因数の和:4297

約数の個数: 48

約数和(自身を含む): 55587168

約数和(自身を除く): 33678162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 4241, 5166, 8482, 12723, 25446, 29687, 38169, 59374, 76338, 89061, 173881, 178122, 267183, 347762, 521643, 534366, 1043286, 1217167, 1564929, 2434334, 3129858, 3651501, 7303002, 10954503, 21909006]

約数ペア:

[(1, 21909006), (2, 10954503), (3, 7303002), (6, 3651501), (7, 3129858), (9, 2434334), (14, 1564929), (18, 1217167), (21, 1043286), (41, 534366), (42, 521643), (63, 347762), (82, 267183), (123, 178122), (126, 173881), (246, 89061), (287, 76338), (369, 59374), (574, 38169), (738, 29687), (861, 25446), (1722, 12723), (2583, 8482), (4241, 5166)]