21323200

素因数分解:

$2^6\times 5^2\times {\mathrm{13327}}^1$

素因数の和:13349

約数の個数: 42

約数和(自身を含む): 52472336

約数和(自身を除く): 31149136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 13327, 26654, 53308, 66635, 106616, 133270, 213232, 266540, 333175, 426464, 533080, 666350, 852928, 1066160, 1332700, 2132320, 2665400, 4264640, 5330800, 10661600, 21323200]

約数ペア:

[(1, 21323200), (2, 10661600), (4, 5330800), (5, 4264640), (8, 2665400), (10, 2132320), (16, 1332700), (20, 1066160), (25, 852928), (32, 666350), (40, 533080), (50, 426464), (64, 333175), (80, 266540), (100, 213232), (160, 133270), (200, 106616), (320, 66635), (400, 53308), (800, 26654), (1600, 13327)]