21391074

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20879

約数の個数: 32

約数和(自身を含む): 50040000

約数和(自身を除く): 28648926

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20849, 41698, 62547, 125094, 187641, 375282, 396131, 562923, 792262, 1125846, 1188393, 2376786, 3565179, 7130358, 10695537, 21391074]

約数ペア:

[(1, 21391074), (2, 10695537), (3, 7130358), (6, 3565179), (9, 2376786), (18, 1188393), (19, 1125846), (27, 792262), (38, 562923), (54, 396131), (57, 375282), (114, 187641), (171, 125094), (342, 62547), (513, 41698), (1026, 20849)]