21097930

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{6151}}^1$

素因数の和:6179

約数の個数: 32

約数和(自身を含む): 44294400

約数和(自身を除く): 23196470

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 6151, 12302, 30755, 43057, 61510, 86114, 215285, 301399, 430570, 602798, 1506995, 2109793, 3013990, 4219586, 10548965, 21097930]

約数ペア:

[(1, 21097930), (2, 10548965), (5, 4219586), (7, 3013990), (10, 2109793), (14, 1506995), (35, 602798), (49, 430570), (70, 301399), (98, 215285), (245, 86114), (343, 61510), (490, 43057), (686, 30755), (1715, 12302), (3430, 6151)]