21544330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2070

約数の個数: 32

約数和(自身を含む): 41347584

約数和(自身を除く): 19803254

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1993, 2162, 3986, 5405, 9965, 10810, 19930, 45839, 91678, 93671, 187342, 229195, 458390, 468355, 936710, 2154433, 4308866, 10772165, 21544330]

約数ペア:

[(1, 21544330), (2, 10772165), (5, 4308866), (10, 2154433), (23, 936710), (46, 468355), (47, 458390), (94, 229195), (115, 187342), (230, 93671), (235, 91678), (470, 45839), (1081, 19930), (1993, 10810), (2162, 9965), (3986, 5405)]