21913400

素因数分解:

$2^3\times 5^2\times {\mathrm{109567}}^1$

素因数の和:109583

約数の個数: 24

約数和(自身を含む): 50949120

約数和(自身を除く): 29035720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 109567, 219134, 438268, 547835, 876536, 1095670, 2191340, 2739175, 4382680, 5478350, 10956700, 21913400]

約数ペア:

[(1, 21913400), (2, 10956700), (4, 5478350), (5, 4382680), (8, 2739175), (10, 2191340), (20, 1095670), (25, 876536), (40, 547835), (50, 438268), (100, 219134), (200, 109567)]