21449647681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{50129}}^1\times {\mathrm{5557}}^1$

素因数の和:55704

約数の個数: 16

約数和(自身を含む): 26747763840

約数和(自身を除く): 5298116159

約数列:

[1, 7, 11, 77, 5557, 38899, 50129, 61127, 350903, 427889, 551419, 3859933, 278566853, 1949967971, 3064235383, 21449647681]

約数ペア:

[(1, 21449647681), (7, 3064235383), (11, 1949967971), (77, 278566853), (5557, 3859933), (38899, 551419), (50129, 427889), (61127, 350903)]