21167992432

素因数分解:

$2^4\times {\mathrm{2003}}^1\times {\mathrm{660509}}^1$

素因数の和:662520

約数の個数: 20

約数和(自身を含む): 41033523240

約数和(自身を除く): 19865530808

約数列:

[1, 2, 4, 8, 16, 2003, 4006, 8012, 16024, 32048, 660509, 1321018, 2642036, 5284072, 10568144, 1322999527, 2645999054, 5291998108, 10583996216, 21167992432]

約数ペア:

[(1, 21167992432), (2, 10583996216), (4, 5291998108), (8, 2645999054), (16, 1322999527), (2003, 10568144), (4006, 5284072), (8012, 2642036), (16024, 1321018), (32048, 660509)]