21443373

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:719

約数の個数: 40

約数和(自身を含む): 37287360

約数和(自身を除く): 15843987

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 641, 1239, 1593, 1923, 3717, 4487, 4779, 5769, 11151, 13461, 17307, 33453, 37819, 40383, 51921, 113457, 121149, 264733, 340371, 363447, 794199, 1021113, 2382597, 3063339, 7147791, 21443373]

約数ペア:

[(1, 21443373), (3, 7147791), (7, 3063339), (9, 2382597), (21, 1021113), (27, 794199), (59, 363447), (63, 340371), (81, 264733), (177, 121149), (189, 113457), (413, 51921), (531, 40383), (567, 37819), (641, 33453), (1239, 17307), (1593, 13461), (1923, 11151), (3717, 5769), (4487, 4779)]