21431424008

素因数分解:

$2^3\times {\mathrm{2221}}^1\times {\mathrm{1206181}}^1$

素因数の和:1208408

約数の個数: 16

約数和(自身を含む): 40202046060

約数和(自身を除く): 18770622052

約数列:

[1, 2, 4, 8, 2221, 4442, 8884, 17768, 1206181, 2412362, 4824724, 9649448, 2678928001, 5357856002, 10715712004, 21431424008]

約数ペア:

[(1, 21431424008), (2, 10715712004), (4, 5357856002), (8, 2678928001), (2221, 9649448), (4442, 4824724), (8884, 2412362), (17768, 1206181)]