21129226

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 13914614

約数列:

[1, 2, 23, 29, 46, 47, 58, 94, 337, 667, 674, 1081, 1334, 1363, 2162, 2726, 7751, 9773, 15502, 15839, 19546, 31349, 31678, 62698, 224779, 364297, 449558, 459331, 728594, 918662, 10564613, 21129226]

約数ペア:

[(1, 21129226), (2, 10564613), (23, 918662), (29, 728594), (46, 459331), (47, 449558), (58, 364297), (94, 224779), (337, 62698), (667, 31678), (674, 31349), (1081, 19546), (1334, 15839), (1363, 15502), (2162, 9773), (2726, 7751)]