21687574

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 13667306

約数列:

[1, 2, 23, 46, 59, 61, 118, 122, 131, 262, 1357, 1403, 2714, 2806, 3013, 3599, 6026, 7198, 7729, 7991, 15458, 15982, 82777, 165554, 177767, 183793, 355534, 367586, 471469, 942938, 10843787, 21687574]

約数ペア:

[(1, 21687574), (2, 10843787), (23, 942938), (46, 471469), (59, 367586), (61, 355534), (118, 183793), (122, 177767), (131, 165554), (262, 82777), (1357, 15982), (1403, 15458), (2714, 7991), (2806, 7729), (3013, 7198), (3599, 6026)]