21466784

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39461}}^1$

素因数の和:39488

約数の個数: 24

約数和(自身を含む): 44749908

約数和(自身を除く): 23283124

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39461, 78922, 157844, 315688, 631376, 670837, 1262752, 1341674, 2683348, 5366696, 10733392, 21466784]

約数ペア:

[(1, 21466784), (2, 10733392), (4, 5366696), (8, 2683348), (16, 1341674), (17, 1262752), (32, 670837), (34, 631376), (68, 315688), (136, 157844), (272, 78922), (544, 39461)]