21494630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{557}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 41220576

約数和(自身を除く): 19725946

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 227, 454, 557, 1114, 1135, 2270, 2785, 3859, 5570, 7718, 9469, 18938, 19295, 38590, 47345, 94690, 126439, 252878, 632195, 1264390, 2149463, 4298926, 10747315, 21494630]

約数ペア:

[(1, 21494630), (2, 10747315), (5, 4298926), (10, 2149463), (17, 1264390), (34, 632195), (85, 252878), (170, 126439), (227, 94690), (454, 47345), (557, 38590), (1114, 19295), (1135, 18938), (2270, 9469), (2785, 7718), (3859, 5570)]