21007059488

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{6499709}}^1$

素因数の和:6499820

約数の個数: 24

約数和(自身を含む): 41767136460

約数和(自身を除く): 20760076972

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 404, 808, 1616, 3232, 6499709, 12999418, 25998836, 51997672, 103995344, 207990688, 656470609, 1312941218, 2625882436, 5251764872, 10503529744, 21007059488]

約数ペア:

[(1, 21007059488), (2, 10503529744), (4, 5251764872), (8, 2625882436), (16, 1312941218), (32, 656470609), (101, 207990688), (202, 103995344), (404, 51997672), (808, 25998836), (1616, 12999418), (3232, 6499709)]