21738284

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2797}}^1$

素因数の和:2897

約数の個数: 24

約数和(自身を含む): 39955440

約数和(自身を除く): 18217156

約数列:

[1, 2, 4, 29, 58, 67, 116, 134, 268, 1943, 2797, 3886, 5594, 7772, 11188, 81113, 162226, 187399, 324452, 374798, 749596, 5434571, 10869142, 21738284]

約数ペア:

[(1, 21738284), (2, 10869142), (4, 5434571), (29, 749596), (58, 374798), (67, 324452), (116, 187399), (134, 162226), (268, 81113), (1943, 11188), (2797, 7772), (3886, 5594)]