21103697391

素因数分解:

$3^1\times 7^1\times {\mathrm{7057}}^1\times {\mathrm{142403}}^1$

素因数の和:149470

約数の個数: 16

約数和(自身を含む): 32162797824

約数和(自身を除く): 11059100433

約数列:

[1, 3, 7, 21, 7057, 21171, 49399, 142403, 148197, 427209, 996821, 2990463, 1004937971, 3014813913, 7034565797, 21103697391]

約数ペア:

[(1, 21103697391), (3, 7034565797), (7, 3014813913), (21, 1004937971), (7057, 2990463), (21171, 996821), (49399, 427209), (142403, 148197)]