21004600

素因数分解:

$2^3\times 5^2\times {\mathrm{105023}}^1$

素因数の和:105039

約数の個数: 24

約数和(自身を含む): 48836160

約数和(自身を除く): 27831560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105023, 210046, 420092, 525115, 840184, 1050230, 2100460, 2625575, 4200920, 5251150, 10502300, 21004600]

約数ペア:

[(1, 21004600), (2, 10502300), (4, 5251150), (5, 4200920), (8, 2625575), (10, 2100460), (20, 1050230), (25, 840184), (40, 525115), (50, 420092), (100, 210046), (200, 105023)]