21072660189

素因数分解:

$3^1\times 7^1\times {\mathrm{6073}}^1\times {\mathrm{165233}}^1$

素因数の和:171316

約数の個数: 16

約数和(自身を含む): 32116202112

約数和(自身を除く): 11043541923

約数列:

[1, 3, 7, 21, 6073, 18219, 42511, 127533, 165233, 495699, 1156631, 3469893, 1003460009, 3010380027, 7024220063, 21072660189]

約数ペア:

[(1, 21072660189), (3, 7024220063), (7, 3010380027), (21, 1003460009), (6073, 3469893), (18219, 1156631), (42511, 495699), (127533, 165233)]