21529888

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2083}}^1$

素因数の和:2129

約数の個数: 48

約数和(自身を含む): 47265120

約数和(自身を除く): 25735232

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 2083, 2584, 4166, 5168, 8332, 10336, 16664, 33328, 35411, 39577, 66656, 70822, 79154, 141644, 158308, 283288, 316616, 566576, 633232, 672809, 1133152, 1266464, 1345618, 2691236, 5382472, 10764944, 21529888]

約数ペア:

[(1, 21529888), (2, 10764944), (4, 5382472), (8, 2691236), (16, 1345618), (17, 1266464), (19, 1133152), (32, 672809), (34, 633232), (38, 566576), (68, 316616), (76, 283288), (136, 158308), (152, 141644), (272, 79154), (304, 70822), (323, 66656), (544, 39577), (608, 35411), (646, 33328), (1292, 16664), (2083, 10336), (2584, 8332), (4166, 5168)]