21424100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6911}}^1$

素因数の和:6956

約数の個数: 36

約数和(自身を含む): 47996928

約数和(自身を除く): 26572828

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6911, 13822, 27644, 34555, 69110, 138220, 172775, 214241, 345550, 428482, 691100, 856964, 1071205, 2142410, 4284820, 5356025, 10712050, 21424100]

約数ペア:

[(1, 21424100), (2, 10712050), (4, 5356025), (5, 4284820), (10, 2142410), (20, 1071205), (25, 856964), (31, 691100), (50, 428482), (62, 345550), (100, 214241), (124, 172775), (155, 138220), (310, 69110), (620, 34555), (775, 27644), (1550, 13822), (3100, 6911)]