21970528

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{40387}}^1$

素因数の和:40414

約数の個数: 24

約数和(自身を含む): 45799992

約数和(自身を除く): 23829464

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 40387, 80774, 161548, 323096, 646192, 686579, 1292384, 1373158, 2746316, 5492632, 10985264, 21970528]

約数ペア:

[(1, 21970528), (2, 10985264), (4, 5492632), (8, 2746316), (16, 1373158), (17, 1292384), (32, 686579), (34, 646192), (68, 323096), (136, 161548), (272, 80774), (544, 40387)]