21492952020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39801763}}^1$

素因数の和:39801781

約数の個数: 48

約数和(自身を含む): 66866963520

約数和(自身を除く): 45374011500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39801763, 79603526, 119405289, 159207052, 199008815, 238810578, 358215867, 398017630, 477621156, 597026445, 716431734, 796035260, 1074647601, 1194052890, 1432863468, 1791079335, 2149295202, 2388105780, 3582158670, 4298590404, 5373238005, 7164317340, 10746476010, 21492952020]

約数ペア:

[(1, 21492952020), (2, 10746476010), (3, 7164317340), (4, 5373238005), (5, 4298590404), (6, 3582158670), (9, 2388105780), (10, 2149295202), (12, 1791079335), (15, 1432863468), (18, 1194052890), (20, 1074647601), (27, 796035260), (30, 716431734), (36, 597026445), (45, 477621156), (54, 398017630), (60, 358215867), (90, 238810578), (108, 199008815), (135, 159207052), (180, 119405289), (270, 79603526), (540, 39801763)]