21271041

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5807}}^1$

素因数の和:5861

約数の個数: 24

約数和(自身を含む): 34429824

約数和(自身を除く): 13158783

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5807, 17421, 52263, 63877, 191631, 214859, 574893, 644577, 1933731, 2363449, 7090347, 21271041]

約数ペア:

[(1, 21271041), (3, 7090347), (9, 2363449), (11, 1933731), (33, 644577), (37, 574893), (99, 214859), (111, 191631), (333, 63877), (407, 52263), (1221, 17421), (3663, 5807)]