21444027

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 12839493

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1311, 1487, 4461, 4807, 14421, 16357, 28253, 34201, 49071, 84759, 102603, 310783, 376211, 649819, 932349, 1128633, 1949457, 7148009, 21444027]

約数ペア:

[(1, 21444027), (3, 7148009), (11, 1949457), (19, 1128633), (23, 932349), (33, 649819), (57, 376211), (69, 310783), (209, 102603), (253, 84759), (437, 49071), (627, 34201), (759, 28253), (1311, 16357), (1487, 14421), (4461, 4807)]