21772413

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 34026720

約数和(自身を除く): 12254307

約数列:

[1, 3, 9, 13, 39, 117, 379, 491, 1137, 1473, 3411, 4419, 4927, 6383, 14781, 19149, 44343, 57447, 186089, 558267, 1674801, 2419157, 7257471, 21772413]

約数ペア:

[(1, 21772413), (3, 7257471), (9, 2419157), (13, 1674801), (39, 558267), (117, 186089), (379, 57447), (491, 44343), (1137, 19149), (1473, 14781), (3411, 6383), (4419, 4927)]