21079592

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{293}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 43897140

約数和(自身を除く): 22817548

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 293, 391, 529, 586, 782, 1058, 1172, 1564, 2116, 2344, 3128, 4232, 4981, 6739, 8993, 9962, 13478, 17986, 19924, 26956, 35972, 39848, 53912, 71944, 114563, 154997, 229126, 309994, 458252, 619988, 916504, 1239976, 2634949, 5269898, 10539796, 21079592]

約数ペア:

[(1, 21079592), (2, 10539796), (4, 5269898), (8, 2634949), (17, 1239976), (23, 916504), (34, 619988), (46, 458252), (68, 309994), (92, 229126), (136, 154997), (184, 114563), (293, 71944), (391, 53912), (529, 39848), (586, 35972), (782, 26956), (1058, 19924), (1172, 17986), (1564, 13478), (2116, 9962), (2344, 8993), (3128, 6739), (4232, 4981)]