21354328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3797}}^1$

素因数の和:3859

約数の個数: 32

約数和(自身を含む): 43297200

約数和(自身を除く): 21942872

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3797, 5624, 7594, 15188, 30376, 72143, 140489, 144286, 280978, 288572, 561956, 577144, 1123912, 2669291, 5338582, 10677164, 21354328]

約数ペア:

[(1, 21354328), (2, 10677164), (4, 5338582), (8, 2669291), (19, 1123912), (37, 577144), (38, 561956), (74, 288572), (76, 280978), (148, 144286), (152, 140489), (296, 72143), (703, 30376), (1406, 15188), (2812, 7594), (3797, 5624)]