21221044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6091}}^1$

素因数の和:6175

約数の個数: 24

約数和(自身を含む): 40597088

約数和(自身を除く): 19376044

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 6091, 12182, 24364, 79183, 158366, 316732, 408097, 816194, 1632388, 5305261, 10610522, 21221044]

約数ペア:

[(1, 21221044), (2, 10610522), (4, 5305261), (13, 1632388), (26, 816194), (52, 408097), (67, 316732), (134, 158366), (268, 79183), (871, 24364), (1742, 12182), (3484, 6091)]