21078902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 35985600

約数和(自身を除く): 14906698

約数列:

[1, 2, 13, 23, 26, 46, 101, 202, 299, 349, 598, 698, 1313, 2323, 2626, 4537, 4646, 8027, 9074, 16054, 30199, 35249, 60398, 70498, 104351, 208702, 458237, 810727, 916474, 1621454, 10539451, 21078902]

約数ペア:

[(1, 21078902), (2, 10539451), (13, 1621454), (23, 916474), (26, 810727), (46, 458237), (101, 208702), (202, 104351), (299, 70498), (349, 60398), (598, 35249), (698, 30199), (1313, 16054), (2323, 9074), (2626, 8027), (4537, 4646)]