21877316864

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{386689}}^1$

素因数の和:386735

約数の個数: 72

約数和(自身を含む): 49794844680

約数和(自身を除く): 27917527816

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 544, 832, 884, 1088, 1664, 1768, 2176, 3328, 3536, 4352, 7072, 14144, 28288, 56576, 386689, 773378, 1546756, 3093512, 5026957, 6187024, 6573713, 10053914, 12374048, 13147426, 20107828, 24748096, 26294852, 40215656, 49496192, 52589704, 80431312, 85458269, 98992384, 105179408, 160862624, 170916538, 210358816, 321725248, 341833076, 420717632, 643450496, 683666152, 841435264, 1286900992, 1367332304, 1682870528, 2734664608, 5469329216, 10938658432, 21877316864]

約数ペア:

[(1, 21877316864), (2, 10938658432), (4, 5469329216), (8, 2734664608), (13, 1682870528), (16, 1367332304), (17, 1286900992), (26, 841435264), (32, 683666152), (34, 643450496), (52, 420717632), (64, 341833076), (68, 321725248), (104, 210358816), (128, 170916538), (136, 160862624), (208, 105179408), (221, 98992384), (256, 85458269), (272, 80431312), (416, 52589704), (442, 49496192), (544, 40215656), (832, 26294852), (884, 24748096), (1088, 20107828), (1664, 13147426), (1768, 12374048), (2176, 10053914), (3328, 6573713), (3536, 6187024), (4352, 5026957), (7072, 3093512), (14144, 1546756), (28288, 773378), (56576, 386689)]