21135068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 20233252

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 107, 113, 214, 226, 428, 437, 452, 874, 1748, 2033, 2147, 2461, 2599, 4066, 4294, 4922, 5198, 8132, 8588, 9844, 10396, 12091, 24182, 46759, 48364, 49381, 93518, 98762, 187036, 197524, 229729, 278093, 459458, 556186, 918916, 1112372, 5283767, 10567534, 21135068]

約数ペア:

[(1, 21135068), (2, 10567534), (4, 5283767), (19, 1112372), (23, 918916), (38, 556186), (46, 459458), (76, 278093), (92, 229729), (107, 197524), (113, 187036), (214, 98762), (226, 93518), (428, 49381), (437, 48364), (452, 46759), (874, 24182), (1748, 12091), (2033, 10396), (2147, 9844), (2461, 8588), (2599, 8132), (4066, 5198), (4294, 4922)]