21449968225

素因数分解:

$5^2\times 7^1\times {\mathrm{12703}}^1\times {\mathrm{9649}}^1$

素因数の和:22369

約数の個数: 24

約数和(自身を含む): 30403212800

約数和(自身を除く): 8953244575

約数列:

[1, 5, 7, 25, 35, 175, 9649, 12703, 48245, 63515, 67543, 88921, 241225, 317575, 337715, 444605, 1688575, 2223025, 122571247, 612856235, 857998729, 3064281175, 4289993645, 21449968225]

約数ペア:

[(1, 21449968225), (5, 4289993645), (7, 3064281175), (25, 857998729), (35, 612856235), (175, 122571247), (9649, 2223025), (12703, 1688575), (48245, 444605), (63515, 337715), (67543, 317575), (88921, 241225)]