26720421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{7529}}^1$

素因数の和:7565

約数の個数: 24

約数和(自身を含む): 44095680

約数和(自身を除く): 17375259

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 7529, 22587, 52703, 97877, 158109, 293631, 685139, 1272401, 2055417, 3817203, 8906807, 26720421]

約数ペア:

[(1, 26720421), (3, 8906807), (7, 3817203), (13, 2055417), (21, 1272401), (39, 685139), (91, 293631), (169, 158109), (273, 97877), (507, 52703), (1183, 22587), (3549, 7529)]