21332054

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 13141546

約数列:

[1, 2, 37, 41, 74, 79, 82, 89, 158, 178, 1517, 2923, 3034, 3239, 3293, 3649, 5846, 6478, 6586, 7031, 7298, 14062, 119843, 135013, 239686, 260147, 270026, 288271, 520294, 576542, 10666027, 21332054]

約数ペア:

[(1, 21332054), (2, 10666027), (37, 576542), (41, 520294), (74, 288271), (79, 270026), (82, 260147), (89, 239686), (158, 135013), (178, 119843), (1517, 14062), (2923, 7298), (3034, 7031), (3239, 6586), (3293, 6478), (3649, 5846)]