21285184

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{4007}}^1$

素因数の和:4102

約数の個数: 28

約数和(自身を含む): 42757344

約数和(自身を除く): 21472160

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 2656, 4007, 5312, 8014, 16028, 32056, 64112, 128224, 256448, 332581, 665162, 1330324, 2660648, 5321296, 10642592, 21285184]

約数ペア:

[(1, 21285184), (2, 10642592), (4, 5321296), (8, 2660648), (16, 1330324), (32, 665162), (64, 332581), (83, 256448), (166, 128224), (332, 64112), (664, 32056), (1328, 16028), (2656, 8014), (4007, 5312)]