21681396

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{54751}}^1$

素因数の和:54772

約数の個数: 36

約数和(自身を含む): 59789184

約数和(自身を除く): 38107788

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 54751, 109502, 164253, 219004, 328506, 492759, 602261, 657012, 985518, 1204522, 1806783, 1971036, 2409044, 3613566, 5420349, 7227132, 10840698, 21681396]

約数ペア:

[(1, 21681396), (2, 10840698), (3, 7227132), (4, 5420349), (6, 3613566), (9, 2409044), (11, 1971036), (12, 1806783), (18, 1204522), (22, 985518), (33, 657012), (36, 602261), (44, 492759), (66, 328506), (99, 219004), (132, 164253), (198, 109502), (396, 54751)]