21193696

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38959}}^1$

素因数の和:38986

約数の個数: 24

約数和(自身を含む): 44180640

約数和(自身を除く): 22986944

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38959, 77918, 155836, 311672, 623344, 662303, 1246688, 1324606, 2649212, 5298424, 10596848, 21193696]

約数ペア:

[(1, 21193696), (2, 10596848), (4, 5298424), (8, 2649212), (16, 1324606), (17, 1246688), (32, 662303), (34, 623344), (68, 311672), (136, 155836), (272, 77918), (544, 38959)]