21266235

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27799}}^1$

素因数の和:27827

約数の個数: 24

約数和(自身を含む): 39031200

約数和(自身を除く): 17764965

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 27799, 83397, 138995, 250191, 416985, 472583, 1250955, 1417749, 2362915, 4253247, 7088745, 21266235]

約数ペア:

[(1, 21266235), (3, 7088745), (5, 4253247), (9, 2362915), (15, 1417749), (17, 1250955), (45, 472583), (51, 416985), (85, 250191), (153, 138995), (255, 83397), (765, 27799)]