21987753142

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{768319}}^1$

素因数の和:768711

約数の個数: 16

約数和(自身を含む): 33882912000

約数和(自身を除く): 11895158858

約数列:

[1, 2, 41, 82, 349, 698, 14309, 28618, 768319, 1536638, 31501079, 63002158, 268143331, 536286662, 10993876571, 21987753142]

約数ペア:

[(1, 21987753142), (2, 10993876571), (41, 536286662), (82, 268143331), (349, 63002158), (698, 31501079), (14309, 1536638), (28618, 768319)]