21974320620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17439937}}^1$

素因数の和:17439959

約数の個数: 72

約数和(自身を含む): 76177649184

約数和(自身を除く): 54203328564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17439937, 34879874, 52319811, 69759748, 87199685, 104639622, 122079559, 156959433, 174399370, 209279244, 244159118, 261599055, 313918866, 348798740, 366238677, 488318236, 523198110, 610397795, 627837732, 732477354, 784797165, 1046396220, 1098716031, 1220795590, 1464954708, 1569594330, 1831193385, 2197432062, 2441591180, 3139188660, 3662386770, 4394864124, 5493580155, 7324773540, 10987160310, 21974320620]

約数ペア:

[(1, 21974320620), (2, 10987160310), (3, 7324773540), (4, 5493580155), (5, 4394864124), (6, 3662386770), (7, 3139188660), (9, 2441591180), (10, 2197432062), (12, 1831193385), (14, 1569594330), (15, 1464954708), (18, 1220795590), (20, 1098716031), (21, 1046396220), (28, 784797165), (30, 732477354), (35, 627837732), (36, 610397795), (42, 523198110), (45, 488318236), (60, 366238677), (63, 348798740), (70, 313918866), (84, 261599055), (90, 244159118), (105, 209279244), (126, 174399370), (140, 156959433), (180, 122079559), (210, 104639622), (252, 87199685), (315, 69759748), (420, 52319811), (630, 34879874), (1260, 17439937)]