21421696

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{1657}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 43124580

約数和(自身を除く): 21702884

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 404, 808, 1616, 1657, 3232, 3314, 6464, 6628, 12928, 13256, 26512, 53024, 106048, 167357, 212096, 334714, 669428, 1338856, 2677712, 5355424, 10710848, 21421696]

約数ペア:

[(1, 21421696), (2, 10710848), (4, 5355424), (8, 2677712), (16, 1338856), (32, 669428), (64, 334714), (101, 212096), (128, 167357), (202, 106048), (404, 53024), (808, 26512), (1616, 13256), (1657, 12928), (3232, 6628), (3314, 6464)]