21921606

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173981}}^1$

素因数の和:173996

約数の個数: 24

約数和(自身を含む): 54282384

約数和(自身を除く): 32360778

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173981, 347962, 521943, 1043886, 1217867, 1565829, 2435734, 3131658, 3653601, 7307202, 10960803, 21921606]

約数ペア:

[(1, 21921606), (2, 10960803), (3, 7307202), (6, 3653601), (7, 3131658), (9, 2435734), (14, 1565829), (18, 1217867), (21, 1043886), (42, 521943), (63, 347962), (126, 173981)]