21452403

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1063}}^1$

素因数の和:1135

約数の個数: 24

約数和(自身を含む): 33809664

約数和(自身を除く): 12357261

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 1063, 2883, 3189, 6727, 7441, 20181, 22323, 32953, 98859, 230671, 692013, 1021543, 3064629, 7150801, 21452403]

約数ペア:

[(1, 21452403), (3, 7150801), (7, 3064629), (21, 1021543), (31, 692013), (93, 230671), (217, 98859), (651, 32953), (961, 22323), (1063, 20181), (2883, 7441), (3189, 6727)]