21129488

素因数分解:

$2^4\times {\mathrm{739}}^1\times {\mathrm{1787}}^1$

素因数の和:2534

約数の個数: 20

約数和(自身を含む): 41016720

約数和(自身を除く): 19887232

約数列:

[1, 2, 4, 8, 16, 739, 1478, 1787, 2956, 3574, 5912, 7148, 11824, 14296, 28592, 1320593, 2641186, 5282372, 10564744, 21129488]

約数ペア:

[(1, 21129488), (2, 10564744), (4, 5282372), (8, 2641186), (16, 1320593), (739, 28592), (1478, 14296), (1787, 11824), (2956, 7148), (3574, 5912)]