21904444

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1$

素因数の和:202

約数の個数: 36

約数和(自身を含む): 40824616

約数和(自身を除く): 18920172

約数列:

[1, 2, 4, 37, 47, 67, 74, 94, 134, 148, 188, 268, 1739, 2209, 2479, 3149, 3478, 4418, 4958, 6298, 6956, 8836, 9916, 12596, 81733, 116513, 148003, 163466, 233026, 296006, 326932, 466052, 592012, 5476111, 10952222, 21904444]

約数ペア:

[(1, 21904444), (2, 10952222), (4, 5476111), (37, 592012), (47, 466052), (67, 326932), (74, 296006), (94, 233026), (134, 163466), (148, 148003), (188, 116513), (268, 81733), (1739, 12596), (2209, 9916), (2479, 8836), (3149, 6956), (3478, 6298), (4418, 4958)]