21484950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3331}}^1$

素因数の和:3389

約数の個数: 48

約数和(自身を含む): 54538176

約数和(自身を除く): 33053226

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3225, 3331, 6450, 6662, 9993, 16655, 19986, 33310, 49965, 83275, 99930, 143233, 166550, 249825, 286466, 429699, 499650, 716165, 859398, 1432330, 2148495, 3580825, 4296990, 7161650, 10742475, 21484950]

約数ペア:

[(1, 21484950), (2, 10742475), (3, 7161650), (5, 4296990), (6, 3580825), (10, 2148495), (15, 1432330), (25, 859398), (30, 716165), (43, 499650), (50, 429699), (75, 286466), (86, 249825), (129, 166550), (150, 143233), (215, 99930), (258, 83275), (430, 49965), (645, 33310), (1075, 19986), (1290, 16655), (2150, 9993), (3225, 6662), (3331, 6450)]