21323800

素因数分解:

$2^3\times 5^2\times {\mathrm{106619}}^1$

素因数の和:106635

約数の個数: 24

約数和(自身を含む): 49578300

約数和(自身を除く): 28254500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106619, 213238, 426476, 533095, 852952, 1066190, 2132380, 2665475, 4264760, 5330950, 10661900, 21323800]

約数ペア:

[(1, 21323800), (2, 10661900), (4, 5330950), (5, 4264760), (8, 2665475), (10, 2132380), (20, 1066190), (25, 852952), (40, 533095), (50, 426476), (100, 213238), (200, 106619)]