21761672

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{10343}}^1$

素因数の和:10612

約数の個数: 16

約数和(自身を含む): 40962240

約数和(自身を除く): 19200568

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 10343, 20686, 41372, 82744, 2720209, 5440418, 10880836, 21761672]

約数ペア:

[(1, 21761672), (2, 10880836), (4, 5440418), (8, 2720209), (263, 82744), (526, 41372), (1052, 20686), (2104, 10343)]