21434512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121787}}^1$

素因数の和:121806

約数の個数: 20

約数和(自身を含む): 45305136

約数和(自身を除く): 23870624

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121787, 243574, 487148, 974296, 1339657, 1948592, 2679314, 5358628, 10717256, 21434512]

約数ペア:

[(1, 21434512), (2, 10717256), (4, 5358628), (8, 2679314), (11, 1948592), (16, 1339657), (22, 974296), (44, 487148), (88, 243574), (176, 121787)]