21195447

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4567}}^1$

素因数の和:4607

約数の個数: 32

約数和(自身を含む): 36836352

約数和(自身を除く): 15640905

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4567, 4641, 13701, 31969, 59371, 77639, 95907, 178113, 232917, 415597, 543473, 1009307, 1246791, 1630419, 3027921, 7065149, 21195447]

約数ペア:

[(1, 21195447), (3, 7065149), (7, 3027921), (13, 1630419), (17, 1246791), (21, 1009307), (39, 543473), (51, 415597), (91, 232917), (119, 178113), (221, 95907), (273, 77639), (357, 59371), (663, 31969), (1547, 13701), (4567, 4641)]