21503454

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73141}}^1$

素因数の和:73160

約数の個数: 24

約数和(自身を含む): 50029128

約数和(自身を除く): 28525674

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 73141, 146282, 219423, 438846, 511987, 1023974, 1535961, 3071922, 3583909, 7167818, 10751727, 21503454]

約数ペア:

[(1, 21503454), (2, 10751727), (3, 7167818), (6, 3583909), (7, 3071922), (14, 1535961), (21, 1023974), (42, 511987), (49, 438846), (98, 219423), (147, 146282), (294, 73141)]