21432500

素因数分解:

$2^2\times 5^4\times {\mathrm{8573}}^1$

素因数の和:8597

約数の個数: 30

約数和(自身を含む): 46874058

約数和(自身を除く): 25441558

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8573, 17146, 34292, 42865, 85730, 171460, 214325, 428650, 857300, 1071625, 2143250, 4286500, 5358125, 10716250, 21432500]

約数ペア:

[(1, 21432500), (2, 10716250), (4, 5358125), (5, 4286500), (10, 2143250), (20, 1071625), (25, 857300), (50, 428650), (100, 214325), (125, 171460), (250, 85730), (500, 42865), (625, 34292), (1250, 17146), (2500, 8573)]