21433100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16487}}^1$

素因数の和:16514

約数の個数: 36

約数和(自身を含む): 50090544

約数和(自身を除く): 28657444

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16487, 32974, 65948, 82435, 164870, 214331, 329740, 412175, 428662, 824350, 857324, 1071655, 1648700, 2143310, 4286620, 5358275, 10716550, 21433100]

約数ペア:

[(1, 21433100), (2, 10716550), (4, 5358275), (5, 4286620), (10, 2143310), (13, 1648700), (20, 1071655), (25, 857324), (26, 824350), (50, 428662), (52, 412175), (65, 329740), (100, 214331), (130, 164870), (260, 82435), (325, 65948), (650, 32974), (1300, 16487)]