21380804590

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{509}}^1\times {\mathrm{25153}}^1$

素因数の和:25836

約数の個数: 32

約数和(自身を含む): 38793504960

約数和(自身を除く): 17412700370

約数列:

[1, 2, 5, 10, 167, 334, 509, 835, 1018, 1670, 2545, 5090, 25153, 50306, 85003, 125765, 170006, 251530, 425015, 850030, 4200551, 8401102, 12802877, 21002755, 25605754, 42005510, 64014385, 128028770, 2138080459, 4276160918, 10690402295, 21380804590]

約数ペア:

[(1, 21380804590), (2, 10690402295), (5, 4276160918), (10, 2138080459), (167, 128028770), (334, 64014385), (509, 42005510), (835, 25605754), (1018, 21002755), (1670, 12802877), (2545, 8401102), (5090, 4200551), (25153, 850030), (50306, 425015), (85003, 251530), (125765, 170006)]