21895672

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{88289}}^1$

素因数の和:88326

約数の個数: 16

約数和(自身を含む): 42379200

約数和(自身を除く): 20483528

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 88289, 176578, 353156, 706312, 2736959, 5473918, 10947836, 21895672]

約数ペア:

[(1, 21895672), (2, 10947836), (4, 5473918), (8, 2736959), (31, 706312), (62, 353156), (124, 176578), (248, 88289)]