210321507

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3769}}^1$

素因数の和:3891

約数の個数: 32

約数和(自身を含む): 325728000

約数和(自身を除く): 115406493

約数列:

[1, 3, 11, 19, 33, 57, 89, 209, 267, 627, 979, 1691, 2937, 3769, 5073, 11307, 18601, 41459, 55803, 71611, 124377, 214833, 335441, 787721, 1006323, 2363163, 3689851, 6373379, 11069553, 19120137, 70107169, 210321507]

約数ペア:

[(1, 210321507), (3, 70107169), (11, 19120137), (19, 11069553), (33, 6373379), (57, 3689851), (89, 2363163), (209, 1006323), (267, 787721), (627, 335441), (979, 214833), (1691, 124377), (2937, 71611), (3769, 55803), (5073, 41459), (11307, 18601)]