21916620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11069}}^1$

素因数の和:11095

約数の個数: 72

約数和(自身を含む): 72530640

約数和(自身を除く): 50614020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 11069, 22138, 33207, 44276, 55345, 66414, 99621, 110690, 121759, 132828, 166035, 199242, 221380, 243518, 332070, 365277, 398484, 487036, 498105, 608795, 664140, 730554, 996210, 1095831, 1217590, 1461108, 1826385, 1992420, 2191662, 2435180, 3652770, 4383324, 5479155, 7305540, 10958310, 21916620]

約数ペア:

[(1, 21916620), (2, 10958310), (3, 7305540), (4, 5479155), (5, 4383324), (6, 3652770), (9, 2435180), (10, 2191662), (11, 1992420), (12, 1826385), (15, 1461108), (18, 1217590), (20, 1095831), (22, 996210), (30, 730554), (33, 664140), (36, 608795), (44, 498105), (45, 487036), (55, 398484), (60, 365277), (66, 332070), (90, 243518), (99, 221380), (110, 199242), (132, 166035), (165, 132828), (180, 121759), (198, 110690), (220, 99621), (330, 66414), (396, 55345), (495, 44276), (660, 33207), (990, 22138), (1980, 11069)]