21606026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 36099840

約数和(自身を除く): 14493814

約数列:

[1, 2, 13, 26, 67, 79, 134, 157, 158, 314, 871, 1027, 1742, 2041, 2054, 4082, 5293, 10519, 10586, 12403, 21038, 24806, 68809, 136747, 137618, 161239, 273494, 322478, 831001, 1662002, 10803013, 21606026]

約数ペア:

[(1, 21606026), (2, 10803013), (13, 1662002), (26, 831001), (67, 322478), (79, 273494), (134, 161239), (157, 137618), (158, 136747), (314, 68809), (871, 24806), (1027, 21038), (1742, 12403), (2041, 10586), (2054, 10519), (4082, 5293)]