21934768

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6959}}^1$

素因数の和:7164

約数の個数: 20

約数和(自身を含む): 42720480

約数和(自身を除く): 20785712

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6959, 13918, 27836, 55672, 111344, 1370923, 2741846, 5483692, 10967384, 21934768]

約数ペア:

[(1, 21934768), (2, 10967384), (4, 5483692), (8, 2741846), (16, 1370923), (197, 111344), (394, 55672), (788, 27836), (1576, 13918), (3152, 6959)]