21544168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 43086600

約数和(自身を除く): 21542432

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 1009, 1256, 2018, 2669, 4036, 5338, 8072, 10676, 17153, 21352, 34306, 68612, 137224, 158413, 316826, 633652, 1267304, 2693021, 5386042, 10772084, 21544168]

約数ペア:

[(1, 21544168), (2, 10772084), (4, 5386042), (8, 2693021), (17, 1267304), (34, 633652), (68, 316826), (136, 158413), (157, 137224), (314, 68612), (628, 34306), (1009, 21352), (1256, 17153), (2018, 10676), (2669, 8072), (4036, 5338)]