21999400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3793}}^1$

素因数の和:3838

約数の個数: 48

約数和(自身を含む): 52926300

約数和(自身を除く): 30926900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3793, 5800, 7586, 15172, 18965, 30344, 37930, 75860, 94825, 109997, 151720, 189650, 219994, 379300, 439988, 549985, 758600, 879976, 1099970, 2199940, 2749925, 4399880, 5499850, 10999700, 21999400]

約数ペア:

[(1, 21999400), (2, 10999700), (4, 5499850), (5, 4399880), (8, 2749925), (10, 2199940), (20, 1099970), (25, 879976), (29, 758600), (40, 549985), (50, 439988), (58, 379300), (100, 219994), (116, 189650), (145, 151720), (200, 109997), (232, 94825), (290, 75860), (580, 37930), (725, 30344), (1160, 18965), (1450, 15172), (2900, 7586), (3793, 5800)]