21772023

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{11393}}^1$

素因数の和:11423

約数の個数: 24

約数和(自身を含む): 36369648

約数和(自身を除く): 14597625

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 11393, 34179, 79751, 148109, 239253, 444327, 558257, 1036763, 1674771, 3110289, 7257341, 21772023]

約数ペア:

[(1, 21772023), (3, 7257341), (7, 3110289), (13, 1674771), (21, 1036763), (39, 558257), (49, 444327), (91, 239253), (147, 148109), (273, 79751), (637, 34179), (1911, 11393)]